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Ms-08 Quantitative Analysis for Managerial Applications

Course: Master of Business Administration

University: IGNOU

File: PDF/Zip

Fully Solved: Yes

## MS-08 Solved Assignment 2022 – Quantitative Analysis for Managerial Applications

1. Comment on the statement “Statistics is the science and art of handling aggregate of facts – observing, enumerating, recording, classifying and other wise systematically treating them.

2. Calculate Spearman’s coefficient of ranks correlation from the following data:

X : 53 98 95 81 75 61 59 55

Y : 47 25 32 37 30 40 39 45

3. Suppose that a day’s production schedule calls for 9000 items. Three machines A, B and C each with a daily production capacity of 4000 have the probability that an item is defective on them as 1, 2 and 4 percent respectively. On a given day 4000 items were produced on A, 4000 on B and 1000 on C. One item is selected at random and found defective. What is the probability that it was produced on either A or B?

4. Two types of batteries are tested for their length of life and the following data are obtained:

No. of samples Mean life (hrs.) Sample Variance

Type A 9 600 121

Type B 8 640 144

Is there a significant difference in the two means? (t for 15 df at 5% level= 2.131)

5. Write short notes on:

(1) Normal Distribution

(2) Level of significance

(3) Degree of freedom