MU CHOICE. Choose the one alternative that best completes the statement or answers the Construct a confidence interval for ud, the mean of the differences d for the population of paired data. Assume that the population of paired differences is normally distributed. 50) A coach uses a new technique in training middle distance runners. The times for 9 different athletes to run 800 meters before and after this training are shown below. Athlete Time before A B C D E F G H I training (seconds) 115.2 120.9 108.0 112.4 107.5 119.1 121.3 110.8 122.3 Time after training (seconds) 116.0 119.1 105.1 111.9 109.1 115.2 118.5 110.7 120.9 Construct a 99% confidence interval for the mean difference of the "before" minus "after" times. A) -0.85
MU CHOICE. Choose the one alternative that best completes the statement or answers the Construct a confidence interval for ud, the mean of the differences d for the population of paired data. Assume that the population of paired differences is normally distributed. 50) A coach uses a new technique in training middle distance runners. The times for 9 different athletes to run 800 meters before and after this training are shown below. Athlete Time before A B C D E F G H I training (seconds) 115.2 120.9 108.0 112.4 107.5 119.1 121.3 110.8 122.3 Time after training (seconds) 116.0 119.1 105.1 111.9 109.1 115.2 118.5 110.7 120.9 Construct a 99% confidence interval for the mean difference of the "before" minus "after" times. A) -0.85
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Construct a confidence interval for ud, the mean of the differences d for the population of paired data. Assume that the
population of paired differences is normally distributed.
50) A coach uses a new technique in training middle distance runners. The times for 9 different athletes
to run 800 meters before and after this training are shown below.
Athlete
Time before
A B C D E F G H I
training (seconds) 115.2 120.9 108.0 112.4 107.5 119.1 121.3 110.8 122.3
Time after training
(seconds) 116.0 119.1 105.1 111.9 109.1 115.2 118.5 110.7 120.9
Construct a 99% confidence interval for the mean difference of the "before" minus "after" times.
A) -0.85<μd <3.29
B) -0.82 < d <3.26
C) -0.76<μd <3.20
D) -0.54 <Hd < 2.98
50)
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