A Researcher Wants to Determine If the Average Cholesterol Level $\mathrm { H } _ { 0 }$

A researcher wants to determine if the average cholesterol level in his city is different from the national average of 195.Use the provided computer output to draw a conclusion about the cholesterol levels in the researcher's city,at a significance level of 0.10. Test of $\mathrm { H } _ { 0 }$ : ? = 195 vs $\mathrm { H } _ { \mathrm { A } }$ : ? ? 195.
N Mean StDev t P-value
50 198 12 1.768 0.0833

A) Reject the null - there is not sufficient evidence to say that the average cholesterol level in the researcher's city is different from the national average
B) Fail to reject the null - there is not enough evidence to say that the average cholesterol level in the researcher's city is different from the national average.
C) Fail to reject the null - there is evidence to say that the average cholesterol level in the city is different from the national average.
D) Reject the null - there is evidence to say that the average cholesterol level in the researcher's city is different from the national average.
E) There is insufficient information to draw a conclusion.

Correct Answer:

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