Pennsylvanla Refining Company is studying the relationship between the pump price of gasoline and the number of gallons sold. For a sample of 13 stations last Tuesday, the correlation was 0.73. The company would like to test the hypothesis that the correlation between price and number of gallons sold is positive. a. State the decision rule for 0.025 significance level. (Round your answer to 3 declmal places.) Reject Ho if t> 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. Ho We conclude that the correlation in the population is zero.

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