Question

A researcher claims that a post-lunch rap decreases the amount of time takes a to t 20 meters her night with only hours of seconds) I look for 10 miesto s 20 meters rangth only 4 hours of sleep when they did not take a poslanch rap and when they there enough evidence to support the researchers am Assume the samples are random and dependent and the ponosom Male Sprint time (without without 3.913.00 3.97 3.08 407 407 408 3.91 400 305 hap) Sprint time with nap) 80 309 405 404 405 30 40094 (a) Identify the claim and state Hy and What is the claim? O A Apostlunch nap increases the amount of time it takes males to sprint 20 meters OB. A night with only 4 hours of sleep increases the amount of time it takes males to sprint 20 meters OC. A post-lunch nap decreases the amount of time it takes males to sprint 20 meters. D. A night with only 4 hours of sleep decreases the amount of time it takes males to sprint 20 meters O Check A Click to select your answer and then click Check Answer parts o remaining

Answer 1

answer : C. A post-lunch nap decreases the amount of time it takes males to sprint 20 meters.

Let μd be the hypothesized mean of the difference in the sprint times (without nap − with nap).

H0 : μd ≤ 0 Ha : μd > 0