ASSIGNMENT Jan-2019
MS-08 Quantitative Analysis for
Managerial Applications

1. “The field
of statistics provides the methods for collecting, presenting and meaningfully
interpreting the given data”. What are these methods? Explain them.
2. You are
supplied the following data about height of boys and girls studying in a
college.
Boys Girls
Number 72
38
Average height (inches) 68 61
Variance of distribution 9 4
You are required to find out:
(a) In which
sex, boys or girls, is there greater variability in individual heights.
(b) Common
average height in boys and girls.
3. In an
aptitude test administered to 900 college students, the mean is 50 and the
standard deviation is 20. Find:-
(i) The number
of students securing between 30 and 70.
(ii) The number
of students exceeding the score of 65.
(iii) The value of the score exceeding by the top 90
students.
4. Strength
tests carried out on samples of two yarns spun to the same count gave the
following results:-
No. in sample
Sample mean Sample variance
Yarn
A 4
50 42
Yarn
B 9
42 56
The
strength are expressed in pounds. Does the difference in mean strengths
indicate a real difference in the mean strengths of the yarns? Apply
appropriate test and comment.
5. Write short
notes on any three of the following:-
(i)
Type I and Type II error
(ii)
Primary Data vs Secondary Data
(iii)
Correlation Coefficient
(iv)
Probability Sampling Methods
(v)
Guidelines for choosing the classes.
Get Solved Assignment Jan-2019 with pervious solved
question paper
“ Why do you want to pay only
for assignment answers, when we can provide you assignment answers with last 5
years university solved question papers in printed book format at your door
step.”
