MMPC-005 Solved Assignments 2026-27

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MMPC-005 Solved Assignments 2026-27 Available

1. Distinguish between primary and secondary data. Discuss various methods of collecting primary data. Indicate the situation in which each of these methods should be used.

2. Based on a recent nation-wide poll, a seller of printed advertisements estimates that 56% of all adults usually open all the mails they receive. If this is still the current rate at which adults open mail, what is the probability hat, in a random sample of 1000 adults, the number who usually open all of their mails will be

a) Less than 5417

b) 570 or more?

3. List the various reasons that make sampling so attractive in drawing conclusions about the population. Also explain the major difference between probability and non-probability sampling.

4. As part of an investigation of employee turnover, an industry-wide survey of people in sales management positions gave the number of years of experience in sales relate positions. The data is as follows:

Sample size

80

70

Males

Females

Mean years

21.7

18.5

Std. dev of years 9.3

4.8

Construct a 95% confidence interval for the difference of means p

5. Write short notes on any three of the following:

a) Decision Tree Approach

b) Non-Probability Sampling Methods

c) Central Limit Theorem

d) The Correlation Coefficient