A researcher randomly allocated subjects to one of two groups. One group will ha

Question

A researcher randomly allocated subjects to one of two groups. One group will have no internet or television access after 8pm each day while the other group has unrestricted access (as is usual in most households). He wishes to determine whether the hours of nightly sleep obtained differs between the two groups. What type of test procedure would be appropriate? O A. Chi-square test for two-way tables OB. Matched pairs t-test for means ° C. 2-sample t-test for means D. Single sample z-test for proportions

Explanation / Answer

Here two groups are independent and we are testing for the mean amount of time of sleep for both the groups. Hence,

We will use 2 - sample t - test for means.

Option C is correct.

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.