4. The football coaches at a certain college need their players to bulk up for the following season. In order to accomplish this, the team administered a company's new milkshake that claimed to increase bodyweight. A random sample of 9 players was selected and their weights were recorded before using the milkshake and then again after using the milkshake for 6 months. The results follow: 1 2 d (After - Before) 15 22 a. Perform a test of hypothesis using a significance level of .01. 3 4 Player 5 5 4 0 6 1 7 8 9 20 10 7 b. Construct a 98% confidence interval and interpret it in terms of the problem. Does it support the conclusion of your hypothesis test? Explain.
4. The football coaches at a certain college need their players to bulk up for the following season. In order to accomplish this, the team administered a company's new milkshake that claimed to increase bodyweight. A random sample of 9 players was selected and their weights were recorded before using the milkshake and then again after using the milkshake for 6 months. The results follow: 1 2 d (After - Before) 15 22 a. Perform a test of hypothesis using a significance level of .01. 3 4 Player 5 5 4 0 6 1 7 8 9 20 10 7 b. Construct a 98% confidence interval and interpret it in terms of the problem. Does it support the conclusion of your hypothesis test? Explain.
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:4.
The football coaches at a certain college need their players to bulk up for the following season. In order to accomplish
this, the team administered a company's new milkshake that claimed to increase bodyweight. A random sample of 9
players was selected and their weights were recorded before using the milkshake and then again after using the
milkshake for 6 months. The results follow:
1
d (After - Before) 15
a. Perform a test of hypothesis using a significance level of .01.
2
22
3
4
Player
5
5
4
0
6
1
7
8
9
20 10 7
b. Construct a 98% confidence interval and interpret it in terms of the problem. Does it support the conclusion of
your hypothesis test? Explain.
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