70.2K

Verified Solution

Link Copied!

Is the average amount of time spent sleeping each day differentbetween male and female students?

1. Which hypothesis test is the most appropriate to use in thisproblem? Why? (Note: if you are doing a 2-sample t-test, make sureyou state which one you are doing and why.) If the test you chosehas a t-statistic, report it here with degrees of freedom. If itdoes not, state that the test you chose does not have atest-statistic. Give and interpret an appropriate 95% confidenceinterval for the difference in population mean time spent sleepingeach day between male and female students.

sex	sleep
Female	540
Male	420
Female	450
Female	420
Female	480
Female	420
Male	400
Male	420
Female	480
Female	480
Male	360
Female	500
Female	270
Female	480
Male	540
Female	420
Male	360
Male	420
Male	480
Male	480
Male	420
Male	560
Male	280
Male	570
Male	480
Male	480
Male	420
Male	420
Male	480
Male	360
Male	480
Male	480
Female	360
Male	480
Male	480
Female	480
Male
Female	480
Male	465
Male	500
Male	420
Male	420
Female	600
Female	480
Female	420
Female	480
Female	480
Male	480
Female	480
Female	480
Female	300
Female	540
Female	420
Male	480
Female	480
Female	360
Female	480
Male	480
Male	450
Male	420
Male	480
Male
Female	540
Female	420
Male	450
Male	360
Female	480
Male	360
Male	540
Female	480
Male	420
Male	480
Male	240
Female	480
Male	420
Female	420
Female	450
Female	380
Male	540
Female	480
Female
Male
Male	480
Male	420
Female	420
Male	360
Female	540
Male	420
Male	480
Male	420
Female	450
Male	480
Female
Female	480
Male	560
Male	480
Male	540
Male	420
Male	480
Male	480
Female	450
Female	480
Female	450
Female	420
Female	480
Male	420
Female	540
Female	480
Male
Male	360
Female	720
Female	480
Male	300
Male	360
Male	420
Female	420
Male	540
Male	480
Female	480
Male	420
Male	420
Male	480
Female	360
Female	460
Female	480
Male	420
Female	420
Male	480
Male	360
Male	480
Female	420
Female	420
Female	490
Female	450
Male	460
Male	540
Male	450
Male	400
Female	360
Male	420
Male	500
Female	420
Male	390
Male	450
Male	500
Female	480
Male	540
Male	480
Male	540
Female	480
Male	480
Male
Female	500
Female	600
Male	540
Male	480
Female	600
Female	420
Female	480
Male	420
Male	480
Female	300
Male	420
Male	400
Female	330
Male	390
Male
Male	480
Female	480
Male	450
Male	420
Male	420
Male	480
Female	480
Female	450
Female	480
Female	420
Male	420
Male	480
Female	390
Female	360
Male	450
Male	480
Female	480
Female	480
Male	380
Male	360
Female	480
Male	420
Female	420
Male	360
Male	440
Male
Male	390
Female	420
Female	720
Female	480
Female	480
Female	480
Female	420
Female	360
Male	480
Male	420
Male	400
Male	480
Female	420
Male	480
Female	420
Female	480
Male	300
Male	480
Female	300
Female	450
Female	480
Male	450