Question No: 05 This is a subjective question, hence you have to write your answer in the Text-Field given below. The samples scores of two set of students under BITS-WILP were collected. From the first set, sample of 80 students scores considered, the mean was 60 and the variance 4. The second sample of 75 students had a mean of 68 and a variance of 9. [5M] (a) Compute the estimated standard error of the difference between the two means. (b) Using a = 0.05, test whether there is sufficient evidence to show the first set of students has a larger mean