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What is the sample standard deviation

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Reference no: EM132853311

A researcher would like to know if a vegan diet will lower cholesterol. A sample of nMDSS = 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 = 14 points after the vegan diet with = 1152 for the difference scores.

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.

Reference no: EM132853311

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