# Honors 2nd Year Business Statistics Suggestion 2023

অনার্স ২য় বর্ষের ব্যবসায়িক পরিসংখ্যান সাজেশন PDF Download ব্যবসায়িক পরিসংখ্যান অনার্স ২য় বর্ষ সুপার সাজেশন, ব্যবসায়িক পরিসংখ্যান অনার্স ২য় বর্ষ সাজেশন পিডিএফ ডাউনলোড, ব্যবসায়িক পরিসংখ্যান সাজেশন অনার্স ২য় বর্ষের, অনার্স ২য় বর্ষ ব্যবসায়িক পরিসংখ্যান সাজেশন, ব্যবসায়িক পরিসংখ্যান অনার্স ২য় বর্ষ সাজেশন

অনার্স ২য় বর্ষের পরীক্ষার সাজেশন 2023 (PDF) লিংক

## ব্যবসায়িক পরিসংখ্যান অনার্স ২য় বর্ষ সাজেশন 2023

Part- A
[Answer any seven questions out of ten]
Marks- 1×7 = 7

1. a) Write the definition of business statistics.
b) What is primary data?
c) Write the formula for finding angles of different categories in a pie chart.
d) Which type of scale should be used to measure obtained score and letter grade in a
course in an exam?
e) What is classification?
f) Which type of constants π and b in the equation: y = π + bx?
g) What do you mean by sample statistics?
h) Define population.
i) What is parameter?
j) Define continuous variable with examples.
Part- B[Answer any two questions out of four]What are the features of statistics?
2. What are the methods of collecting primary data?
3. Discuss the different types of scale of measurement.
4. Draw a pie chart from the following data:
Cost of materials Tk. 40000, Cost of labour Tk. 30000, Direct expenses of manufacture
Tk. 10000, Factory overhead expenses Tk. 15000, Miscellaneous expenses Tk. 5000.
Part- C
[Answer any one question out of three]
Marks- 10×1 = 10
5. Write the different steps of constructing a grouped frequency distribution.
6. Represent the following data by a Percent Bar Diagram:
Corporate Sector Profits (In Crores Taka)
2007-2008 2008-2009
Gross Profits 3100 3150
Profits before Tax 1600 1800
Profits after Tax 1350 1400
Retained Profits 900 1050
7. The following data give the frequency distribution of weekly wages in Taka of 100
workers of a factory:
Weekly wages (in Taka) Number of Workers
110 – 115 10
115 – 120 19
120 – 125 27
125 – 130 15
130 – 140 12
140 – 160 14
160 – 190 10
Draw a histogram for the above distribution

অধ্যায় 1

part a

what is statistics

who is the father of modern staistics

define secondary data

define discrete variable

what is nent by histogram

what is bbs

part B.

Describe the functions of statistics

define the important of statistics in business

part c

a what is businesa

b statistics in the main tool for the decision  making of business explain

Show the difference between inclusive class interval and exclusive class interval

write down the important characteristics of statistics

গাণিতিক সমস্যা

Year question & soultion  nu 17

Year question & soultion  nu  bba 2nd  accounting 2018

Year question & soultion  nu  bba 2nd marketing 18.

Year question & soultion  nu  bba 2nd accounting 17.

Year question & soultion  nu  bba 2nd acconting 18

অধ্যায় 2

What are the measures of central tendency

what is quartile

what is average

What do you understand by weighted mean

what is raw data

what is bar diagram

what is the mode of 15.18.15.20.25.and 15?

part b

what are the requisites of a measure of central tendency?

difference between simple and weighted arithmetic mean

part C

What do you mean by measures of central tendency?  give a brief description of arithmetic mean and median.  why is arithmetic mean is so popular

what are the essential characteristics of an ideal average?  which measure of central tendency is the best.

গাণিতিক সমস্যা

Year question & soultion  nu  bba 2nd all dept 2012 d.u accounting 17

Year question & soultion  nu  bba 2nd all dept 2013  marketing 18

Year question & soultion  nu  bba 2nd all dept 12 accounting 17

Year question & soultion  nu  bba 2nd finance 18

অধ্যায় 3

part a

define interquartile range

find the harmonic mean of the series 3.6 9

what is mean deviation

write the formula of combined standard deviation

what is the co-efficient of determination

what is price relative

part b

what are the properties of a good measure of dispersion

part c

Distinguish between absolute and  relative measures of dispersion

গাণিতিক সমস্যা

Year question & soultion  nu  bba 2nd accounting 18

Year question & soultion  nu  bba 2nd finance 18

year Questiob & solution nu bba hons 2nd all dept 12 accounting 16 management 3rd 18

Year question & soultion  nu  bba 2nd finance 18

Year question & soultion  nu  bba 2nd finance 16

অধ্যায় 4

part a.

what is skewness?

what is moment

what is symmetric curve

what doesb2> 3indicate

part b&c

Define central moments and raw moments?.distinguish between them

show  the difference between skewness and kurtosis

Distinguish between measures of dispersion and skewness

গাণিতিক সমস্যা

Year question & soultion  nu  bba 2nd finance 16

Year question & soultion  nu  bba 2nd finance 16 2nd accounting 18

Year question & soultion  nu  bba 2nd accounting 17 2nd finance 17

অধ্যায় 5

part a

Define co-efficent of correlation

why correlation in used.

.part b

what is correlation

what is rank correlation

partvc

discuss the different types of correlation

what are the properties of coefficient of correlation

গাণিতিক সমস্যা

Year question & soultion  nu  bba 2nd all dept 12 accounting 16

Year question & soultion  nu  bba 2nd finance 18

Year question & soultion  nu  bba 2nd accounting 18

Year question & soultion  nu  bba 2nd accounting 18

অধ্যায় 6

what is regression line

what is regression model

what is the least square method

if byx =-.80 and bxy = 0.20.rxy =?

what is mean by r=+1.r=-1 and r=0?

part b

state the use of regression analysis

Distinguish between correlation and regeression

part c

what is regression co-efficient

difination of regression line

গাণিতিক সমস্যা

Year question & soultion  nu  bba 2nd  all dept 11 accounting 17

Year question & soultion  nu  bba 2nd finance 18

Year question & soultion  nu  bba 2nd all dept 12 accounting 16  marketing 17 3rd management 18.

অধ্যায় 7

what is proability

whart do you mean by mutulally exclusive events

what is the valu of coefficient of correlatin

what is random variable

what is significance level

part b

what do you mean by probability

discuss its importance in business decision making

state the addition and multiplication theory of probaility

part c

show the distinction between continuous variable and discrete variable

explaion the addition and the multiplicatiin theroms of probability with examples

গাণিতিক সমস্যা

Year question & soultion  nu  bba 2nd all dept 11du finance 17

Year question & soultion  nu  bba 2nd finance 18

Year question & soultion  nu  bba 2nd  accounting 17

3rd management 18 3rd marketing 18

অধ্যায় 8

part a

what is indesx number

what is price index

what do you mean by regression

part b

discuss the uses of index numbers

part c

what is index number? what are the diffwent types of index numbers

What are the properties of a good index number.

গাণিতিক সমস্যা

Year question & soultion  nu  bba 2nd finance 18

Year question & soultion  nu  hons 2nd finance all dept 12 nu bba 2nd finance 17

Year question & soultion  nu  bba 2nd all dept 14 accounting 17 marketing 18

Year question & soultion  nu  bba 2nd finance 16

অধ্যায় 9

part a.

what is sampling.

what is sample.

part b

what is sampling.

state the reasons of sample survey

state the difference between population and sample

part c

Discuss the various methods of sampling

define sampling discuss various of random sampling

গাণিতিক সমস্যা

Year question & soultion  nu  bba 2nd finance 18

easy math

Year question & soultion  nu  bba 2nd all dept 12 du accounting 17

Year question & soultion  nu  bba2nd all dept 13 accounting 17 marketing 18

অধ্যায় 10

Define hypothesis

what is power of the test

what is chi square(x2) test

আরো ও সাজেশন:-

part b

what is hypothesis testing

Discuss the procedure of testing a hyphpthesis

Difference between z-test and  F- test

part c

a what is chi square test

b Discuss three applcation of chi square test

Discuss the uses of test

গাণিতিক সমস্যা

Year question & soultion  nu  bba2nd All Dept 12 DU 3rd mabagement 16 3rd marketing 18

Year question & soultion  nu  bba2nd accounting 16

Easy math

Year question & soultion  nu  bba2nd  accounting 15 3rd marketing 17

অধ্যায় 11

part a

what is analysis of varinace

What is the full meaning of Anova

part b &c

a what are the major assumption of ANOVA

B Describe the Steps followed in analysis of variance

গাণিতিক সমস্যা

Year question & soultion  nu  bba2nd Accounting 15 3rd marketing 17

ক- বিভাগ
Brif Questions & Solution.

1. what is Statistics?
Ans: Statistics is the science of decision making in the field of uncertainty.

2. who is the father of modern statistics?
Ans: R.A. Fisher.

3. what is the origin of the word Statistics?
Ans: the origin of the word Statistics in status or statistic.

Ans: Business Statistics is a science Assisting us to make business decision under uncertainties based on some numerical and measurable scale.

5. What is variable?
Ans: the characteristic which varies over the units is called variable.

6. what is data?
Ans: Data are the collection of row facts and figures from any sets of inquiry for the purpose from any sets of inquiry for the purpose of statistical analysis.

7. What is statistical data?
Ans: A collection of any number of related observation on one or more variables is called statistical data.

8. what are sources of data?
Ans: Data can be collected from three sources:
1. Primary Source.
2. Secondary Source
3. Internal Source.

9. Write the definition of continuous variable with examples.
Ans: A continuous variable is one that can take on any value within given range.

10. what is ogive  curve?
Ans: Ogive is a graph of cumulative frequency distribution.

11. what is Stem and leaf diagram?
Ans: Stem and leaf Display is a statistical technique to present a set of data.

12. What is frequency polygon?
Ans: A frequency polygon expresses distribution of data by meab of a single line determined by the midpoints of classes.

13. what is pie chart?
Ans: A pie chart presents the data in the form of a circle.

14. what is data?Ans: A collection of any number of related observations of none or more variables are called data.

15. what is raw data?Ans: Information before it is arranged or analyzed by statistical methods are raw data.
16. What is classification?Ans: classification is the process of arranging data as collected by proper investigation in some groups or class in relation with definite. characteristics grouping of related facts into classes.
17. what is bar diagram?Ans: Bar diagrams are the most common type of diagrams used in practice. A bar is a thick line whose width is shown merely for attention.
18. what is Scatter diagram?

Ans: A graph of points on a rectangular grid the X and Y coordinates of each point corresponded to the two measurements made on some particular sample element and the pattern of points illustrates the relationship between the two variables.
19. What is Sample?Ans: A collection of some but not all of the elements of the population under study used to describe the population.
20. What is data array?Ans: An organized display of data that shows the number of observations from the data set that falls into each of a set of mutually exclusive and collectively exhaustive classes is frequency distribution.
21. What is frequency density?Ans: frequency density is the percentage of observation fall within each class in respect of their class width.
22. what is population?Ans: A collection of all the elements we are studying and about which we are trying to draw exclusions.
23. what is central tendency?Ans: Central tendency is a typical value of a data set around which other figures congregate.

24.Define Quadrilles.Ans: the quadrilles that divide the data into 4 equal parts.
25. what is the relationship among AM, GM & HM?Ans: AM≥GM≥HM
26. What is Harmonic Mean.Ans: Harmonic mean is the ratio between the number of items and the sum of reciprocals of items.
27. What is Average ?Ans: Average is an attempt to find one single figure to describe whole of figures.
28. What is frequency Distribution?Ans: An organized display of data that shows the number of observations from the data set that falls info each of a set of mutually exclusive and collectively exhaustive classes.
29. What is Equal class interval?Ans: the distribution which with of the each class is equal is called equal class interval. for example 10-20 ,  20-30,  30-40 and 50-60.
30. What is Stem and leaf display?Ans: one technique that is used to display quantitative information in a condensed form is the stem and leaf display.

31. What is Dispersion?Ans: the distance of different values from the central value is called dispersion.
32. What do you mean measures of dispersion.Ans: the measures of dispersion are called averages of second order.
33. How many types of measure of dispersion?Ans: Two types of measure of dispersion (1) Absolute measure (2) relative measure.
34. The difference between the first and third quartertile is called the?Ans: Inter Quartile range.
35. What is the range of 0, 2?Ans: Range = highest value- Lowest Value=0-2=-2
36. What is the mode of 4, 6, 8, 10, 6, and 12?Ans: 6

37. What is absolute measure?Ans: When dispersion is measured in original units then it is known as absolute measure of dispersion.
38. what is mean deviation?Ans: Mean deviation is the arithmetic mean of the deviation of series computed from any measures of central tendency.
39. find the mean if co-efficient of variance =15% and variance=4?Ans: we know   cv= 40. mention the relationship among mean median and mode in case of positively skewed distribution.Ans: In case of positive skewed distribution the relationship among mean median and mode are X 41. what is Box plot?Ans: Box plot is the graphical presentation of five number summaries.
42. What is Random variable?Ans: Random variable is a variable whose values are determined by chance.
43. What is skewness ?Ans: SKewness is the degree of a symmetry or departure from symmetry of a distribution.
44. What is null hypothesis?Ans: The hypothesis about a population parameter we wish to test is called a null hypothesis.
45. What do you mean by Ans: 46. Define co-efficient of correlation.Ans: Co-efficient of correlation is the measure of the strength of the linear relationship between two variables.

47. What is mean by r=+1, r=-1 and r= 0?Ans: the value of r=+1, Means the prefect positive correlation. the value of r=-1, means called perfect negative correlation.the value of r = 0 means called zero correlation.
48. in case of unequal rank write the formula of rank correlation.Ans: Rank correlation 1- 49. what is regression line?Ans: A line fitted to set data points to estimate the relationship between two variables.
50. what is regression Analysis?Ans: Regression Analysis is a mathematical measure of the average relationship between two or more variables in terms of original units of the data.
51. what is dependent variables?Ans: The variables we are trying to predict in regression analysis is called dependent variable.
52. what is index number?Ans: index number may be defined as the ratio that measures how much a variable over time

53. How many types of index number?Ans: Index number are 3 kinds. (1) price index (2) quantity index (3) Variable index.
54. What is family budget method.Ans: Which the consumer price index is computed on the family budgets of large number of people, is called family budget method.
55. under what condition time reversal test and factor reversal test is satisfied?Ans: Time Reversal Test is satisfied when opn×npo=1
56. Write down the components of time series.Ans: The components of time series are (1) Trend (2) Seasonal variation (3) cyclical variation (4) Irregular varia

### ক বিভাগ: অতিসংক্ষিপ্ত প্রশ্ন ও উত্তর

1. What is statistics? (পরিসংখ্যান কি?)
Ans. Statistic is the Science of decision making in the field of uncertainty.

2. Who is the father of modern statistics?
Or, Who is the father of modem statistics?
Ans: R.A. Fisher.

3. Define statistical table.
Ans: Statistical table means a way of presenting statistical data through a systematic arrangement of the numbers describing some mass phenomenon or process.

4. What is the origin of the word ‘Statistics’? (পরিসংখ্যান শব্দের উৎপত্তি কোথা থেকে?)
Ans. The origin of the word ‘Statistics is ‘Status’ or ‘Statistic’.

Or, What is meant by business statistics?
Ans: Business Statistics is a science assisting us to make decision under uncertainties based on some numerical and measurable scales.

6. Define inclusive method with example.
Ans: If the upper limit of one class is included in that class itself, it is called inclusive method. Example 0-9, 10-19, 20-29.

7. What is data?
Ans: The collection of raw facts and figures from any sets of inquiry for the purpose of. statistical analysis are called data.

8. Define secondary data.
Or, What do you Mean by secondary data?
Ans: When an organization on investigation uses the data that has already been collected and used by other such data are called secondary data.

9. What is statistical data?
Ans. A collection of any number of related observations on one or more variables is called statistical data.

10. What are the kinds of statistics data? (পরিসংখ্যানের উপাত্ত কত প্রকার ও কি কি?)
Ans. There are two kinds of statistics data such as: (i) Internal data; (ii) External data.

11. What are sources of data?
Ans. Data can be collected from three sources : (i) Primary source; (ii) Secondary source; (iii) Internal Source.

12. What is primary data?
Ans: Data that have been collected from the origin of the fields is called primary data.

13. Write the definition of continuous variable with examples.
Ans. A continuous variable is one that can take on any value within given range.

14. Define discrete variable.
Or, What is variable?
Ans: A discrete variable is a variable that can only take on a certain number of values.

15. What is Ogive?
Ans. Ogive is a graph of cumulative frequency distribution.

16. What is stem and leaf diagram?
Ans. Stem and leaf display is a statistical technique to present a set of data.

17. What is Frequency Curve?
Ans. The curve that expresses the frequency of a distribution is called a frequency curve.

18. What is frequency density?
Ans. The ratio of the frequency of a class to the class interval is called frequency density of that class.

19. What is frequency?
Ans: The repeated times of a value of the variable is called frequency of that value.

20. Secondary Data.
Ans. When Statistician uses the data which has already collected by others such data are called Secondary Data.

21. What is Frequency Polygon?
Ans. A frequency polygon expresses distribution of data by means of a single line determined by the midpoints of classes.

22. What is questionnaire?
Ans. A questionnaire is written list of question which are answered by a lot of people in order to provide information to a report a survey.

23. What is Pie Chart?
Ans. A Pie Chart Represents the data in the form of a circle.

24. What is line Diagram?
Ans. Line Diagram is the simplest of all diagram. In these diagram only line is drawn to represent one variable.

25. What is average?
Ans. Average is an attempt to find one single figure to describe whole of figures.

26. What is Arithmetic Mean?
Ans. An Arithmetic Mean is a numerical value obtained by dividing the Sum of values of all the observations by the total number of observations.

27. What do you understand by “Weighted mean”?
Or, Weighted Mean.
Ans: Weighted means is a mean where some values contribute more than others.

28. Write down the uses of Harmonic Mean.
Ans. The harmonic mean is particularly useful for computation of average rates and ratios.

29. If Mean> Median > Mode, what does it indicate?
Ans. Positively skewed distribution.

30. Which measure is the best average?
Ans. Arithmetic mean is the best Average.

31. What is raw data?
Ans: Information before it is arranged or analyzed by statistical methods.

32. What is Equal class interval?
Ans: The distribution in which the width of eachclass is equal is called equal class interval. For example 10-20, 20-30, 30-40 etc.

33. What is Unequal class interval?
Ans: The distribution in which width of each class is not equal is called unequal class interval. For example: 0-100, 100-500, 500 1000, 1000-1200 etc.

34. Write down the strugges rule?
Ans: According to sturgge’s rule the number of classes can be determined by the formula: K=1+3.222 logN

35. What is Exclusive method?
Ans: Under this method, the upper limit of one class-interval is the lower limit of the next class.

36. What is Cumulative Frequency Distribution?
Ans: The upper limit of one class is included in that class itself is knoan as cumulative frequency distribition.

37. Mutually Exclusive Events.
Ans. The events “running forwards” and “running backwords” are mutualy exclusive events.

38. What is Bi variate?
Ans: A frequency table where two variables have been measured in the same set of items through cross classification is known as bi variate frequency distribution.

39. What is stem and leaf display?
Ans. One technique that is used to display quantitative information in a condensed form is the stem and leaf display.

40. What is Bar Diagram?
Ans: Bar diagrams are the most common type of diagrams used in practice. A bar is a thick line whose width is shown merely for attention.

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### খ বিভাগ: সংক্ষিপ্ত প্রশ্ন

1. When Geometric Mean is Preferred to Arithmetic Mean.
2. What are the requisites of a measure of central tendency?
Or, State the necessary characteristics of a Satisfactory measure of central tendency.
3. Difference between simple and weighted arithmetic mean.

4. Write down the properties of GM.
5. What is statistics?
Or, Definition of statistics?
Or, What do you mean by statistics?
6. Describe the functions of Statistics.
Or, Write down the functions of Statistics.

7. “Statistics is both a science and art.”-Explain.
8. Differentiate between primary data and secondary data.
Or, Show the differences between primary data and secondary data.
9. Discuss the importance of graphical representation of statistical data.
10. Define classification and state four primary rules that should be observed while classifying data.
11. Briefly discuss the limitations of business statistics.

Or, Discuss briefly the various limitations of statistics.
Or, Write down the demerits of statistics.
12. Define the importance of Statistics in business.
Or, Discuss the importance of statistics in business.
Or, Why is statistics required in business?
13. What are the method of collecting primary data?
Or, Write the methods/sources of the collection of Primary data.

Or, How could the Primary data be collected by Email and Personal observation methods?
14. What do you mean by moments?
15. Define central moments and raw moments? Distinguish between them.
Or, Distinctions between central moments and raw moments.
16. Write down the usefulness and characteristics of moments.
Or, Discuss the properties of moments.

17. Define Skewness? Discuss the types Skewness?
18. Show the difference between skewness and kurtosis.
Or, Distinguish between skewness and kurtosis.
19. Write some the features of Skewness.
20. Distinguish between measures of dispersion and skewness.
21. What is Correlation?
Or, Defination of Correlation.
22. Write down the significance of measuring correlation.

23. Discuss the importance or uses or utilities of correlation analysis.
24. What is rank correlation?
Or, Defnition of Rank Correlationi
25. What is regression?
Or, What is the concept of regression?
26. State the use of regression analysis.
Or, Concept of regression analysis.

27. Distinguish between correlation and regression.
28. What is Sampling?
Or, What do you mean by sampling?
29. State the reasons of sample survey.
30. Discuss the causes of sampling distribution.
31. State the differences between Population and Sample.
Or, Distinction between population and sample.
32. Explain Systematic random sampling.

33. What is hypothesis testing?
34. What are the types of hypothesis?
35. Discuss the procedure of testing a hypothesis.
36. Difference between null hypothesis and alternative hypothesis.
37. Distinction between on tailed test and two tailed test.

38. What are the assumption of T-test?
39. What do you mean by Test of Hypothesis?
40. Describe the various steps involved in testing hypothesis.
Or, What steps are the followed in hypothesis testing?

### গ বিভাগ: রচনামূলক প্রশ্ন

1. What do you mean by measures of central tendency? Give a brief description of arithmetic mean and Median. Why is arithmetic Mean is so Popular?
2. What is central Tendency of data?
3. What is weighted arithmetic mean? Write down its importance.
4. What are the essential characteristics of an ideal average? Which measure of central tendency is the best?

5. Show the difference between histogram and historigram.
7. “Statistics is the main tool for the decision making of business” -Explain.
8. What is Primary and secondary data?
Or, What are the method of collecting primary data?

9. What are the source of the collection of the secondary data?
10. Show the difference between inclusive class interval and Exclusive class interval.
11. How will you Prepare a frequency distribution from raw data?
12. What is frequency?
13. Discuss the different types of correlation.
Or, State the different type of correlation.

14. Discuss the degree of correlation.
15. What are the properties of coefficient of correlation?
16. What is regression Co-efficient?
17. State some of the important Properties of regression Co-efficient.
18. Definition of regression line.

19. Discuss the importance or significance of regression or regression analysis.
20. What are Sampling and non Sampling errors? What are the causes of Sampling error.
21. Discuss the various methods of Sampling.
22. Distinguish between Sampling and non sampling error.
23. Define sampling Discuss various types of random sampling.
24. What is sampling distribution? Distinguish between census survey and sample survey.
25. What is chi-square test?

26. Discuss three application of chi-square test.
27. What do you mean by statistical hypothesis?
28. What are the methods of statistical hypothesis?
29. What is null hypothesis?
30. Discuss the uses of t-test.

31. Explain the condition for the application of it (chi-square) test.
32. Define Measures of Dispersion.
33. What Are the properties of a good measure of Dispersion?
34. Discuss the advantages of Standard decision.
35. Distinguish Between absolute and relative measures of dispersion.
36. Write down the properties of standard deviation.

37. Mention the significance of measuring dispersion.
38. Why Standard Deviation is considered to be the best measure?
39. What is index number? What are the different types of index numbers?
40. Distinguish Between price index and cost of living index.

### 2023 জাতীয় বিশ্ববিদ্যালয়ের এর Honors Business Statistics Suggestion 2023,ব্যবসায়িক পরিসংখ্যান চূড়ান্ত সাজেশন 2023

Honors 2nd year Common Suggestion 2023

আজকের সাজেশান্স: 2023 অনার্স ২য় বর্ষের ব্যবসায়িক পরিসংখ্যান পরীক্ষার সাজেশন, 2023 অনার্স দ্বিতীয় বর্ষ ব্যবসায়িক পরিসংখ্যান সাজেশন