uiz: Module 3 courses/1707979/quizzes/2394094/take Question9 0.5 pts We run a pa

Question

uiz: Module 3 courses/1707979/quizzes/2394094/take Question9 0.5 pts We run a paired sample t-test to determine if people sleep better after taking a prescription sleep aid for six months. The t-statistic for the mean difference in minutes slept per night between the two time periods is 6.54 and the critical value is 2.64. What can we conclude about the pill? it did not work and people slept the same as they did before it worked and people slept significantly shorter than before O Thère is not enough information to answer this question O it worked and people slept significantly longer than before Question 10 0.5 pts The paired sample i-test is often used to compare the same group of people at

Explanation / Answer

SINCE CALCULATED VALUE IS 6.54 AND CRITICAL VALUE IS 2.64. CALCULATED VALUE IS GREATER THAN CRITICAL VALUE SO WE CAN CONCLUDE THAT SLEEPING PILL WORKED AND PEOPLE SLEPT SIGNIFICANTLY LONGER THAN BEFORE.

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