MB0040 STATISTICS FOR MANAGEMENT
ASSIGNMENT
DRIVE: SUMMER 2014
PROGRAM: MBA/ MBADS/ MBAFLEX/ MBAHCSN3/ PGDBAN2
SEMESTER: I
SUBJECT CODE & NAME: MB0040 STATISTICS FOR MANAGEMENT
BK ID: B1731
CREDITS: 4 MARKS 60
Note: Answer all questions. Kindly note that answers for 10 marks questions should be approximately of 400 words. Each question is followed by evaluation scheme.
Q.No Questions Marks Total Marks
1.Distinguish between Classification and Tabulation. Explain the structure and components of a Table with an example.
Meaning of Classification and Tabulation
Differences between Classification and Tabulation
Structure and Components of a Table with an example
2.a) Describe the characteristics of Normal probability distribution.
b) In a sample of 120 workers in a factory, the mean and standard deviation of wages were Rs. 11.35 and Rs.3.03 respectively. Find the percentage of workers getting wages between Rs.9 and Rs.17 in the whole factory assuming that the wages are normally distributed.
Characteristics of Normal probability distribution
Formula/Computation/Solution to the problem
3.a) The procedure of testing hypothesis requires a researcher to adopt several steps. Describe in brief all such steps.
b) Distinguish between:
i. Stratified random sampling and Systematic sampling
ii. Judgement sampling and Convenience sampling
Hypothesis testing procedure
Differences
4.a) What is regression analysis? How does it differ from correlation analysis?
b) Calculate Karl Pearson’s coefficient of correlation between X series and Y series.
| X | 110 | 120 | 130 | 120 | 140 | 135 | 155 | 160 | 165 | 155 | |
| Y | 12 | 18 | 20 | 15 | 25 | 30 | 35 | 20 | 25 | 10 |
Meaning of Regression and Correlation
Differences
Formula/ Computation/ Solution to the problem
5.Briefly explain the methods and theories of Business forecasting.
Meaning of Business forecasting
Methods of Business forecasting
Theories of Business forecasting
6.Construct Fisher’s Ideal Index for the given information and check whether Fisher’s formula satisfies Time Reversal and Factor Reversal Tests.
| Items | P0 | Q0 | P1 | Q1 | |
| A | 16 | 5 | 20 | 6 | |
| B | 12 | 10 | 18 | 12 | |
| C | 14 | 8 | 16 | 10 | |
| D | 20 | 6 | 22 | 10 | |
| E | 80 | 3 | 90 | 5 | |
| F | 40 | 2 | 50 | 5 |
Formula of Fishers Ideal Index
Computation of Fisher’s Ideal Index
Fisher’s formula satisfies Time Reversal Test
Fisher’s formula satisfies Factor Reversal Test
