31F It is claimed that the heights of young men at a large university are approximately normally distributed, with a mean of 69.6 inches. A random sample of heights from the university are listed below (in inches). 72 66 71 75 69 77 69 69 71 72 70 USE SALT These data were used to calculate the following sample mean and standard deviation. n-11 x 71s 3.0332 Is there sufficient evidence to say that the mean height of men at the university is taller than the claimed 69.6 inches? (a) Assume the conditions are met to perform a t test. Calculate the test statistic. (Round your answer to three decimal places.) t- 1.25 X- x (b) What is the critical value associated with a one-tailed test when a 0.1? (Use a table or technology. Round your answer to three decimal places.) 1.25 x (c) Choose the appropriate conclusion for this test. O Accept the null hypothesis. O Fail to reject the null hypothesis. O Reject the alternative hypothesis, Reject the null hypothesis. Submit Answell Search