Refer to the alligator data in Table D.11 of the Data Bank. Using the data on testosterone

Question:

Refer to the alligator data in Table D.11 of the Data Bank. Using the data on testosterone X4 from the Lake Apopka alligators, find a 95% confidence interval for the difference of means between males and females. There should be a large difference for healthy alligators. Comment on your conclusion.