do not answer unless your answer will contain all four parts (a) , (b) , (c) , (d). show critical approach and your conclusion, do not just set it up incompletly.

A statistics teacher wants to see if there is any difference in the abilities of students enrolled in statistics today and those entolled five years ago. A sample of final examination scores from students enrolled today and from students enrolled five years ago was taken. You are given the following information. (a) Formulate the null and alternative hypotheses to test whether there is a difference between the means of the two populations. (b) Compute the test statistic. (c) Using the critical approach, what is your conclusion? Let =.05. (d) Using the p-value approach, what is your conclusion? Let =.05