\fBusiness students taking statistics at Colonel Samuel College believe that the mean score on a rst statistics test is at most 66. An instructor. intending to prove that the mean score is higher. randomly samples 14 statistics students and obtains the following scores: ------ Download CS'v' Test grades are believed to be normally distributed. Use a signicance level of 113%. Round answers to at least 3 decimal places. A. Select the appropriate alternative hypothesis. H1 or Ha: Cipr Clpz Clpsi Cipl Clp} Clp B. Calculate the sample mean: C] C. Calculate the estimated standard error of the sample mean: C] D. Calculate the test statistic: t = C] E. State the critical value at c: = 0.1: C] F. Decision: CI Fail to reject the null hypothesis. C1 Reject the null hypothesis