A clinical researcher performs a clinical trial on 12 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 6. Sample mean glucose (mg/dL)Before treatment114After treatment108What type of hypothesis test should be performed?Select:Left-tailed z-testUnpaired t-testTwo-tailed z-testPaired 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 drug treatment has an effect on serum glucose at the α=0.05 significance level?Select: _____Yes OR _____No

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Description: A clinical researcher performs a clinical trial on 12 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 sam

Given : clinical trial on 12 patients The sample standard deviation of the differences was 6.…

Answered: What type of hypothesis test should be…

MATLAB: An Introduction with Applications

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ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

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A clinical researcher performs a clinical trial on 12 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 6.

	Sample mean glucose (mg/dL)
Before treatment	114
After treatment	108

What type of hypothesis test should be performed?Select:

Left-tailed z-test

Unpaired t-test

Two-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 drug treatment has an effect on serum glucose at the α=0.05 significance level?

Select: _____Yes OR _____No

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