SAT Practice8a79b71f-d6aa-4062-b948-522622a8d42b

Practice one SAT question at a time

Questions come from the Bluebook question bank. Made by Iskaa303 (Iskander Madikhan).

A researcher is designing a study to investigate the average number of hours participants in a training course spend on a particular activity per day. The researcher will report an estimated average number of hours participants in the training course spend on this activity per day with an associated margin of error. The researcher is considering using a random sample of either 115 or 230 participants from the training course. Which of the following would be the most likely effect of using the larger random sample compared to the smaller random sample?