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Management Programme
ASSIGNMENT
SECOND
SEMESTER
201
6
MS
-
0
8
:
Quantitative Analysis for Managerial Applications
School of Management Studies
INDIRA GANDHI NATIONAL OPEN UNIVERSITY
MAIDAN GARHI, NEW DELHI
–
110 068
M
S
-
0
8
ASSIGNMENT
Course Code
:
MS
-
8
Course Title
:
Quantitative Analysis for Managerial Applications  
Assignment Code
:
MS
-
8/
TMA
/
SEM
-
II /201
6
Coverage
:
All Blocks
Note:
Attempt  all  the
questions  and  submit  this  assignment  on  or  before
31
st
October,  201
6
to
the
coordinator of your study cent
r
e
.
1.
Explain the Gauss
–
Jordan Method for solving a system of linear simultaneous equation
with the help of an example.
2.
Coefficients  of  variation  of  two  series  are  75  percent  and  90  percent,  with  standard
deviations  15  and  18,  respectively.  a)  Obtain  the  mean
of  the  two  series,  b)  Also
comment which of the two is better represented by its mean.
3.
Bottled  sweet  milk  stored  in  a  godown  is  reported  to  have  gone  sour.  A  test  check
revealed that milk in 25 percent of the bottles is unfit for consumption. The salesma
n at a
retail outlet offers 5 bottles for sale on demand, find the probability that milk will be unfit
for  consumption  a)  exactly  in  2  bottles,  b)  at  least  in  2  bo
ttles,  and  c)  at  the  most  in  2
b
ottles. 
4.
A sample survey of tax
-
payers belonging to busines
s class and professional class yielded
the following results:
Business class
Professional class
Sample size
Defaulters in tax payment
Test the hypothesis at
a
=
0.01 level of significance that
de
faulter
rate is the same for the
two classes of tax
-
payers.
5.
Write short notes on:
i)
Mixed Auto
-
regressive moving average models
ii)
Least Squares Criterion
iii)
Rank Correlation.