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Answer: What is the null distribution of the test statistic? Select one O a. AT distribution with 35 degrees of freedom. O b. AT distribution with 76 degrees of freedom. Oo. AT distribution with 375 degrees of freedom. Od. AT distribution with 40 degrees of freedom. Oe. A Z distribution.

Answer: What is the null distribution of the test statistic? Select one O a. AT distribution with 35 degrees of freedom. O b. AT distribution with 76 degrees of freedom. Oo. AT distribution with 375 degrees of freedom. Od. AT distribution with 40 degrees of freedom. Oe. A Z distribution.

MATLAB: An Introduction with Applications
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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To determine the effects, researchers measured the LDL levels of 36 randomly selected men and 41 randomly selected women before and after spending 6-weeks on a plant-based diet. The researchers thep subtracted the two values corresponding to each individual and found the mean reduction for each group. For men, the mean reduction in LDL was 13.3 mg/dl with a standard deviation of 1.3 mg/dl. For women, the mean reduction in LDL was 15.4 mg/dl with a standard deviation of 1.9 mg/dl. Both the scatterplots for the mean LDL reduction in men and women resemble a normal distribution. We will test Ho : H1 = µ2 vs. Ha : µ1 7 Hz Compute the test statistic of interest (women- men), accurate to three digits beyond the decimal point. Answer: What is the null distribution of the test statistic? Select one: O a. AT distribution with 35 degrees of freedom. O b. AT distribution with 76 degrees of freedom. O c. AT distribution with 375 degrees of freedom. O d. AT distribution with 40 degrees of freedom. O e. AZ distribution.
Transcribed Image Text:To determine the effects, researchers measured the LDL levels of 36 randomly selected men and 41 randomly selected women before and after spending 6-weeks on a plant-based diet. The researchers thep subtracted the two values corresponding to each individual and found the mean reduction for each group. For men, the mean reduction in LDL was 13.3 mg/dl with a standard deviation of 1.3 mg/dl. For women, the mean reduction in LDL was 15.4 mg/dl with a standard deviation of 1.9 mg/dl. Both the scatterplots for the mean LDL reduction in men and women resemble a normal distribution. We will test Ho : H1 = µ2 vs. Ha : µ1 7 Hz Compute the test statistic of interest (women- men), accurate to three digits beyond the decimal point. Answer: What is the null distribution of the test statistic? Select one: O a. AT distribution with 35 degrees of freedom. O b. AT distribution with 76 degrees of freedom. O c. AT distribution with 375 degrees of freedom. O d. AT distribution with 40 degrees of freedom. O e. AZ distribution.
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