7) You wish to explore whether vigorous exercise changes testosterone levels. You obtain a random sample of males, and measure their testosterone levels. You then put them on an excerise program for 2 weeks and measure their testerosterone again. Conduct the appropriate statistical test of the data (measures are in ngr'dL]. (5 marks) Individual Initial testosterone Final testosterone 1 25B 250 2 4GB 400 3 451] 480 4 BED 290 5 51B 520 E SUD 490 3' Fill] T05