BBS First Year Business Statistics  MGT202  Model Question 2020  TU  Set B  Download in PDF.
Group ‘A’
Brief Answer Questions.Attempt All Questions. (10X2=20)
1. The mean of marks in Statistics of 100 students in a class was 72. The mean of marks of 70 boys was 75. Find out the mean marks of girls in the class.
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BBS First Year Business Statistics  MGT202  Model Question 2020  TU  Set A  Download in PDF.
BBS First Year Financial Accounting and Analysis  MGT211  Model Question 2020  TU  Set A  Download in PDF.2. The difference between the upper quartile and the lower quartile of a certainfrequency distribution is 4 and their sum is 16. Calculate the quartile deviation and its coefficient.
3. In a single throw of two dice, what is the probability of getting the same numbers on both dice ?
5. The coefficient of variation of a symmetrical distribution is 9 % and mean of the distribution is 40. Find the value of standard deviation and variance.
6. What do you mean by five number summary?What is its application in statistics ?
7. Reconstruct the following index number by shifting the base year as 2053.
Year 
2049 
2050 
2051 
2052 
2053 
2054 
2055 
Index Number 
100 
115 
126 
134 
147 
155 
163 
PAYOFF
TABLE 


N1 
N2 
N3 
S1 
200 
50 
40 
S2 
100 
60 
30 
S3 
40 
30 
10 
Î£ = 156 , Î£ = 132 , Î£ = 4162 , Î£ = 2434 , Î£ = 2884
Find out if there exists any relationship between sales and pricing.
10. Find the adjoint matrix of the matrix given below.
Group ‘B’
Descriptive Answer Questions.Attempt any FIVE Questions.. (5X10=50)

Factory A  Factory B 
Average weekly wage  Rs. 4600  Rs. 4900 
Standard Deviations  Rs. 50  Rs. 40 
Number of workers  100  80 
Which factory has greater variability in the distribution of weekly wages?
Justify your result with appropriate Statistical tool.
13. (a) Solve the following linear programming problem using graphical method.
Maximize Z = 30 x + 50 y
Subject to constraints:
x + y ≤ 30
x + 2y ≤ 40
x , y ≥ 0
Year  Product X  Product Y  Product Z  
Price  Quantity  Price  Quantity  Price  Quantity  
1980  4  54  3  10  2  5 
1985  10  40  8  8  4  5 
Income(00 Rs.)  Below 200  200400  400600  600800  8001000  1000 & above 
No. of families  25  40  80  75  20  16 
Group ‘C’
Analytical Answer Questions.Attempt any TWO Questions. (2X15=30)
17. The following table represents the annual trend of net profit of two different companies seeking investment for their development project. As an investment advisor, in which company would you suggest to invest money ? Justify your answer by using necessary statistical tools.
Year 
Net Profit (in million Rs.) 

Company  A 
Company  B 

2007 
16 
16 
2008 
32 
16 
2009 
40 
22 
2010 
24 
36 
2011 
40 
40 
2012 
32 
44 
2013 
88 
48 
Advertisement Expenditure
(in 00 Rs.) 
Sales
Revenue ( in 000 Rs. ) 

0  50 
50  100 
100  150 
150  200 
200  250 

0
 40 
12 
6 
8 
 
 
40
 80 
2 
18 
4 
5 
1 
80
– 120 
 
8 
10 
2 
4 
120
 160 
 
1 
10 
2 
1 
160
 200 
 
 
1 
2 
3 
No. of copies sold 
10 
11 
12 
13 
14 
Probability 
0.10 
0.15 
0.20 
0.25 
0.30 
a. Calculate the expected monetary value ( EMV ) for each strategy.
b. How many copy should be ordered ?
c. Compute expected profit with perfect information ( EPPI ).
d. Also calculate expected value of perfect information ( EVPI ).
BBS First Year Business Statistics CodeMGT202 Model Question 2020 TU SetB  Download in PDF.
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