Reference no: EM132342732

A study reports that the average price for a gallon of gasoline is $3.16. You believe that the figure is higher in your area. You decide to test this claim for your area by randomly calling gasoline stations. Your random survey of 25 stations and the prices are below (all in dollars). Assume gasoline prices for a region are normally distributed.

Did the data you obtained provide enough evidence to reject the claim? Use a 1% level of significance.

3.27

3.3

3.16

3.15

3.11

3.05

3.54

3.25

3.05

3.11

3.13

3.15

3.27

3.14

3.14

3.2

3.3

3.09

3.05

3.07

3.37

3.34

3.35

3.35

3.1