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Dear Student,
The University has decided to have only one assignment per course w.e.f. January 2007 session
onwards for students of MBA and MBA (Banking and Finance). Please attempt the assignment
questions given in this leaflet/booklet and submit it to the coordinator of the study center, you are attached
with, on or before 31st October, 2007.
ASSIGNMENT
: MS 08
: Quantitative Analysis for Managerial Applications
: 08/TMA/SEM-II/2007
: All Blocks
Course Code
Course Title
Assignment No.
Coverage
Note: Attempt all the questions and send it to the coordinator of the study centre, you are attached with.
1.
In a management skills test following data was obtained from the scores of 50 young managers.
72
57
74
71
65
a.
b.
2.
72
67
76
53
51
93
72
79
67
75
70
57
72
65
68
59
83
61
100
75
78
76
72
83
66
74
74
73
69
77
65
56
76
61
61
73
68
67
72
64
80
67
49
68
74
Prepare the frequency distribution table and the frequency histogram for this data set.
Compute the sample mean, sample median, sample range, inter-quartile range and sample
variance.
A sample of 2000 individuals is distributed according to eye color and the presence or absence of
a certain ophthalmic trait as follows:
TRAIT
Yes
No
Total
EYE COLOR
Blue
Brown
400
270
200
650
600
920
Other
130
350
480
Total
800
1200
2000
In a random selection of an individual from the study population, what is your estimate of the
probability that:
a. The person has blue eyes?
b. The person has neither brown nor blue eyes given that the trait is absent?
c. The person does not have brown eyes?
d. The person does not have the trait or does not have brown eyes?
3.
What is the difference between a discrete and a continuous random variable?
examples of each to support your statement.
4.
Forty-nine sumo wrestlers, observed at random, yield a mean weight of 160 kilograms with a
standard deviation (s) of 11 kilograms. Are these observations consistent with the hypothesis that
the mean weight of all sumo wrestlers is 170 kilograms?
5.
Explicate what correlation coefficients of -1, 0 and 1 mean, using graphs to illustrate. What is the
accuracy of prediction in each of these three cases given by yˆ  a  bx and why?
2
Give some
3