EBook Problems Hypothesis S Mean

EBook Problems Set - Testing a Claim about a Mean: Small Samples

Problem 1

To test the claim that the average home in a certain town is within 5.5 miles of the nearest fire station, and insurance company measured the distances from 25 randomly selected homes to the nearest fire station and found x-bar = 5.8 miles and sd = 2.4 miles. Determine what the insurance company found out with a test of significance. Check all that apply.

• Choose at least one answer.

(a) There is no evidence in the data to conclude that the distance is different from 5.5.

(b) The average of 5.8 miles observed is by chance.

(c) We cannot reject the null.

(d) There is evidence in the data to conclude that the distance is 5.5.

Answer

 (a) , (b) , (c) , (d)

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