Pennsylvania Refining Company is studying the relationship between the pump price of gasoline and the number of gallons sold. For a sample of 21 stations last Tuesday, the correlation was 0.42 The following hypotheses are given. Hypso Hi:p>O a. State the decision rule for 0.025 significance level. (Round your answer to 3 decimal places.) Reject H, ift > b. Compute the value of the test statistic. (Round your answer to 3 decimal places.) Value of the test statistic is c. Can we conclude that the correlation In the population is greater than zero? Use the 0.025 significance level. Hy . We conclude that the correlation in the population is zero