The mean BMI

This question was created from final bio
September 27, 2019
A study is conducted comparing HDL cholesterol levels
September 27, 2019

Question

The mean BMI in patients free of diabetes was reported as 28.2.  The investigator conducting the study

hypothesizes that the BMI in patients free of diabetes is higher. Based on the data given below is there evidence that the BMI is significantly higher than 28.2?  Use a 5% level of significance.

25 27 31 33 26 28 38 41 24 32 35 40

What is the Critical t value? 

What is the computed t?

Based on comparing the critical t value to the computed t value which of the following is (are) true?

A. There IS statistically significant evidence at alpha= 0.05 to show the BMI is significantly higher than 28.2.

B. There is NOT statistically significant evidence at alpha= 0.05 to show the BMI is significantly higher than 28.2.

C. There are not enough data points to reach a conclusion.

D. B & C

 
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