EBook Problems Hypothesis S Mean
From Socr
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
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