Author Question: What conclusion can be made about the effectiveness of the diet, based on the test, at the 0.05 ... (Read 61 times)

kodithompson · **on:** Jun 24, 2018

What conclusion can be made about the effectiveness of the diet, based on the test, at the 0.05 level of significance?

A) The diet is not effective.
B) The diet is effective.
C) The sample size is relatively small to make a conclusion.
D) A conclusion cannot be drawn without calculating the p-value.

Question 2

A car owner determines that annual repair costs (R) can be estimated based on the number of miles driven in one year (M) through the expression R = 800 + 0.05M.

If the average number of miles driven is 12000 with a standard deviation of 2500 miles, what is the standard deviation of the expected annual repair costs?A) 1400
B) 925
C) 800
D) 125