Question

Consider 20 students of your class and construct the data of their approximate

height and weight. Using the data

(i) Find the 95% confidence interval for the difference in means and

ratio of variances of height and weight.

(ii) Test at 5% level of significance that the two variables ( height and

weight) differ in their variability and average.

(iii) What is the relationship between confidence intervals and tests of

hypotheses in (i) and (ii)?​

Answer 1

Answer:

Sorry I Don't know the answer