ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 462 - 463 of 472

Access detailed explanations (illustrated with images and videos) to 472 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Unlimited Access for Unlimited Time! View Sample Explanation or View Features.

Rs. 300.00 or

How to register?

Question number: 462

» Statistical Methods » Non-Parametric Tests » Wilcoxon

Edit
MCQ▾

Question

A study is run to evaluate the effectiveness of an exercise program in reducing systolic blood pressure in patients with pre-hypertension (defined as a systolic blood pressure between or a diastolic blood pressure between ). A total of patients with pre-hypertension enroll in the study, and their systolic blood pressures are measured. Each patient then participates in an exercise training program where they learn proper techniques and execution of a series of exercises. Patients are instructed to do the exercise program 3 times per week for 6 weeks. After 6 weeks, systolic blood pressure are again measured. The data are shown below.

Table of the exercise program

Table of the exercise program

Patient

Systolic Blood Pressure

Before Exercise Program

Systolic Blood Pressure

After Exercise Program

1

125

118

2

132

134

3

138

130

4

120

124

5

125

105

6

127

130

7

136

130

8

139

132

9

131

123

10

132

128

11

135

126

12

136

140

13

128

135

14

127

126

15

130

132

The test statistic for the Wilcoxon Signed Rank Test is

Choices

Choice (4)Response

a.

55

b.

31

c.

72

d.

23

Question number: 463

» Probability » Tchebycheff's Inequalities

Edit
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.

Developed by: