Answered: A clinical researcher performs a…

Name: A clinical researcher performs a clinical trial on 7 patients to deter
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Description: A clinical researcher performs a clinical trial on 7 patients to determine whether a drug treatment has an effect on serum glucose. The sample mean glucose of the patients before and after the treatment are summarized in the following table. The samp

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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A clinical researcher performs a clinical trial on 7 patients to determine whether a drug treatment has an effect on serum glucose. The sample mean glucose of the patients before and after the treatment are summarized in the following table. The sample standard deviation of the differences was 10.

Before Treatment
Sample mean glucose (mg/dL): 111

After Treatment
Sample mean glucose (mg/dL): 101

What type of hypothesis test should be performed?
Unpaired t-test
Two-tailed z-test
Left-tailed z-test
Paired t-test

What is the test statistic?

What is the number of degrees of freedom?

Does sufficient evidence exist to support the claim that the voltage of the batteries made by the two manufacturers is different at the α = 0.01 significance level?
Yes
No

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