Mathematics · Statistics
A sample of 40 fourth-grade students was selected at random from a certain school. The 40 students completed a survey about the morning announcements, and 32 thought the announcements were helpful. Which of the following is the largest population to which the results of the survey can be applied?
- 1All fourth-grade students in the county in which the school is located
- 2All students at the school
- 3All fourth-grade students at the school✓
- 4The 40 students who were surveyed
Correct answer
All fourth-grade students at the school
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