A researcher would like to know if a vegan diet will lower cholesterol. A sample of n = 9 adults is obtained, and each has their cholesterol levels measured. Each participant then goes on a strict vegan diet for the next 45 days and cholesterol levels are measured again after that. Average total cholesterol dropped by MD = 14 points after the vegan diet with SS = 1152 for the difference scores.Which of the following is the best statement of HO?What is the critical value of t for two tailed, alpha 0.05?What is the sample variance? Report a number to one decimal.What is the sample standard deviation? Report to one decimalWhat is the value for the estimated standard error? Report to one decimal.What if the observed t value from the example above? Answer to two decimals.How many degrees of freedom are in the current study? Report a whole number no decimals.True or false. Based on your calculations, the correct decision would be fail to Reject H0.

Answered: A researcher would like to know if a…

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 researcher would like to know if a vegan diet will lower cholesterol. A sample of n = 9 adults is obtained, and each has their cholesterol levels measured. Each participant then goes on a strict vegan diet for the next 45 days and cholesterol levels are measured again after that. Average total cholesterol dropped by MD = 14 points after the vegan diet with SS = 1152 for the difference scores.

Which of the following is the best statement of HO?
What is the critical value of t for two tailed, alpha 0.05?
What is the sample variance? Report a number to one decimal.
What is the sample standard deviation? Report to one decimal
What is the value for the estimated standard error? Report to one decimal.
What if the observed t value from the example above? Answer to two decimals.
How many degrees of freedom are in the current study? Report a whole number no decimals.
True or false. Based on your calculations, the correct decision would be fail to Reject H0.

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