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

Critical t value:
Computed t:

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

-There is statiscally significant evidence at alpha =0.05 to show the BMI is significantly higher than 28.2
-There is not …..
-There are not enough data points to reach a conclusion
-b and c

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