|Question 15Math

Question

Prompt
A researcher is designing a study to investigate the average number of hours students at a high school spend reading per day. The researcher will report an estimated average number of hours students at the high school spend reading per day with an associated margin of error. The researcher is considering using a random sample of either 105 or 210 students from the high school. Which of the following would be the most likely effect of using the larger random sample compared to the smaller random sample?
The reported margin of error would be lower.
A
The reported margin of error would be higher.
B
The reported average number of hours would be lower.
C
The reported average number of hours would be higher.
D