Pennsylvania Refining Company is studying the relationship between the pump price of gasoline and the number of gallons sold. For a sample of 16 stations last Tuesday, the correlation was 0.57.

The following hypotheses are given. H₀: 0 H₁: > 0 a. State the decision rule for 0.050 significance level. (Round your answer to 3 decimal places.)

b. Compute the value of the test statistic. (Round your answer to 3 decimal places.) c. Can we conclude that the correlation in the population is greater than zero? Use the 0.050 significance level.