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

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MCQ▾

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 » Non-Parametric Tests » Wald-Wolfowitz

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MCQ▾

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:

The table shows the line A and B data

The table shows the line A and B 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 » Non-Parametric Tests » Wilcoxon

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MCQ▾

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

The table shows the hours of relief provided by two analgesic drugs

The table shows the hours of relief provided by two analgesic drugs

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