ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 463  465 of 471
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Question number: 463
» Probability » Tchebycheff's Inequalities
Question
Suppose that we roll a standard fair die 100 times. Let XX be the sum of the numbers that appear over the 100 rolls. Find the bound using Chebyshev’s inequality for
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 464
» Statistical Methods » NonParametric Tests » WaldWolfowitz
Question
Let’s say we have two sets of 8 samples from the two production lines and we measure output voltage at a key test point of the individual products (of course you should measure something of importance to the final product quality or reliability).
We have line P and line Q with the following data:
P  17.65  12.95  20.20  25.00  15.50  12.75  27.05  25.20 
Q  27.45  25.10  17.95  15.70  27.25  25.30  10.30  10.90 
The first two lowest values are from line
Choices
Choice (4)  Response  

a.  P 

b.  Q 

c.  Question does not provide sufficient data or is vague 

d.  None of the above 

Question number: 465
» Statistical Methods » NonParametric Tests » Wilcoxon
Question
The table below shows the hours of relief provided by two analgesic drugs in 12 patients suffering from arthritis. There is strong evidence that
Case  Drug P  Drug Q 
1  2.0  3.5 
2  3.6  5.7 
3  2.6  2.9 
4  2.6  2.4 
5  7.3  9.9 
6  3.4  3.3 
7  14.9  16.7 
8  6.6  6.0 
9  2.3  3.8 
10  2.0  4.0 
11  6.8  9.1 
12  8.5  20.9 
Choices
Choice (4)  Response  

a.  Drug Q provides more relief than Drug P 

b.  Drug P provides more relief than Drug Q 

c.  Drug Q provides less relief than Drug P 

d.  None of the above 
