# BBA Business Statistics Question Paper 2018

BBA Business Statistics Question Paper 2018 :-

B.B.A Examination, june 2018

[BBA-204]

(New)

Time : Three Hours]                                                                                  [Maximum Marks : 75

## Section-A(BBA Question Paper 2017)

Note : Attempt all five questions. Each question carries three marks. Very short answer is required not exceeding 75 Words.                (3 x 5 = 15)

1. Statistics is called both science and art. Why?
2. Discuss the main objectives of classification.
3. Explain the three functions of regression lines.
4. What do you understand by mode?
5. Find median : 25, 15, 23, 40, 27, 25, 23, 25, 20.

## Section-B (BBA Question Paper)

Note : Attempt any two questions out of the following three questions. Each question carries 7.5 marks. Short answer is required not exceeding 200 words.  (7.5 x 2 = 15)

1. Explain with examples the merits and demerits of different methods of sampling.
2. What is skewness? Explain Karl Pearson’s and Bowley’s measures of skewness.
3. Find standard deviation :
 C.I.: 0-10 10-20 20-30 30-40 40-50 50-60 F : 5 7 10 5 8 5

## Section-C (BBA Mock Paper)

Note : Attempt any three questions out of the following five questions. Each question carries 15 marks. Answer is required in detail.               (15 x 3 = 45)

9. Describe the functions and importance of statistics.10.  Explain the importance of graphic presentation of data. Describe the rules of graphic presentation and also explain its advantages and disadvantages. 11. What do you understand by the term coefficient of correlation? Prove that it lies between —1 and +1. Explin its importance. 12. Calculate mean and mode from the following data :

 C.I. : 0-10 10-20 20-30 30-40 40-50 F : 12 8 15 11 4

13. Calculate the coefficient of correlation from the following age of husbands and wives :

 Husband’s ager 23 27 28 29 30 31 33 35 36 39 Wife’s age 18 22 23 24 25 26 28 29 30 32

Through Karl Pearson’s method.