A manager of a grocery store wants to determine if consumers are spending more than the national average. The national average is 150 point 0 0 dollars with a standard deviation of 30 point 2 0 dollars The manager collects 40 random receipts and finds that the average is 160 dollars Complete a hypothesis test with a significance level of 2 point 5 percent to determine if the average customer spends more in his store than the national average. Which of the following is a valid conclusion for the manager based on this test?