Download JNTUH (Jawaharlal Nehru Technological University Hyderabad) MBA (Master of Business Administration) 1st Semester (First Semester) R17 2019 May 741AD Business Statistics Previous Question Paper
Code No: 741AD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MBA I Semester Examinations, April/May-2019
BUSINESS STATISTICS
Time: 3hours Max.Marks:75
Note: This question paper contains two parts A and B.
Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B
consists of 5 Units. Answer any one full question from each unit. Each question carries
10 marks and may have a, b, c as sub questions.
PART - A 5 ? 5 Marks = 25
1.a) The mean height of 25 male workers in a factory is 61 inches and the mean height of
35 female workers in the same factory is 58 inches. Find the combined mean height of
60 workers in the factory. [5]
b) Distinguish between mean deviation and standard deviation. [5]
c) Write about parts of a Table? [5]
d) Explain about F-test. [5]
e) Write the characteristics of Index Numbers. [5]
PART - B 5 ? 10 Marks = 50
2. Define statistics? Write the uses and limitations of statistics? [10]
OR
3. Compute the missing frequency from the following data? [10]
Income (rs) 0-10 10-20 20-30 30-40 40-50 50-60
No of persons 5 15 20 - 20 10
4. Calculate karl pearson?s co-efficient of co-relation from the following data? [10]
student roll no 1 2 3 4 5
Marks in accounts 48 35 17 23 47
Marks in statistics 45 20 40 25 45
OR
5. Compute Bowley?s co-efficient of skewness for the data given below: [10]
6. Define Diagram. Explain the types of Diagrams and brief on methods of data
tabulation. [10]
OR
7. Briefly explain the properties and applications of t-Distribution? [10]
Marks 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80
No of
Students 8 10 12 40 56 44 26 4
R17
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Code No: 741AD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MBA I Semester Examinations, April/May-2019
BUSINESS STATISTICS
Time: 3hours Max.Marks:75
Note: This question paper contains two parts A and B.
Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B
consists of 5 Units. Answer any one full question from each unit. Each question carries
10 marks and may have a, b, c as sub questions.
PART - A 5 ? 5 Marks = 25
1.a) The mean height of 25 male workers in a factory is 61 inches and the mean height of
35 female workers in the same factory is 58 inches. Find the combined mean height of
60 workers in the factory. [5]
b) Distinguish between mean deviation and standard deviation. [5]
c) Write about parts of a Table? [5]
d) Explain about F-test. [5]
e) Write the characteristics of Index Numbers. [5]
PART - B 5 ? 10 Marks = 50
2. Define statistics? Write the uses and limitations of statistics? [10]
OR
3. Compute the missing frequency from the following data? [10]
Income (rs) 0-10 10-20 20-30 30-40 40-50 50-60
No of persons 5 15 20 - 20 10
4. Calculate karl pearson?s co-efficient of co-relation from the following data? [10]
student roll no 1 2 3 4 5
Marks in accounts 48 35 17 23 47
Marks in statistics 45 20 40 25 45
OR
5. Compute Bowley?s co-efficient of skewness for the data given below: [10]
6. Define Diagram. Explain the types of Diagrams and brief on methods of data
tabulation. [10]
OR
7. Briefly explain the properties and applications of t-Distribution? [10]
Marks 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80
No of
Students 8 10 12 40 56 44 26 4
R17
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8. Explain the procedure for testing the hypothesis? [10]
OR
9. From the following information construct two regression equations. [10]
X = 68, Y = 150, ?x = 2.5 ?y = 20 r = 0.60
10. Fit a straight line trend for the following series. Estimate the value for 2012: [10]
OR
11. Construct index numbers of price from the following data by applying laspeyres and
paasche methods. [10]
Commodity 2006 2007
Price Quantity Price Quantity
A 2 8 4 6
B 5 10 6 5
C 4 14 5 10
D 2 19 2 13
--ooOoo--
Year 2001 2002 2003 2004 2005 2006 2007
Production of
steel ( tonnes)
60 72 75 65 80 85 95
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This post was last modified on 23 October 2020