HW Problem 39. (5 pts) Suppose a study reports that the average price for a gallon of selfserve regular unleaded gasoline in a particular municipality is $3.16. You believe the gure is higher. With that in mind, you randomly sample 25 gas stations in the municipality which results in a sample mean price of $3.1948 with a sample standard deviation of $.08 89. Assume there are 275 gas stations in the municipality. At the .01 level of signicance, is the average price higher than $3.16? List and clearly label all eight steps