AnswersCR02201A Probability and StatisticsPopulations and Sampling

Sampling Methods Answers

3 verified answers
1
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Cheryl wants to find the number of hours seventh-graders do homework each week. There are 297 girls and boys in seventh grade. Which is the best way for Cheryl to get a representative sample without spending too much time?

A
She can survey 15 of her friends in the school.
B
She can survey every sixth-grade student in the school.
C
She can randomly survey 50 girls in the entire school.
D
She can randomly survey 50 seventh-graders in the school.
2
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Survey 1 ✔ 23 is most likely to produce a biased sample.

A
1
B
2
C
3
3

Survey ✔ 123 collects information on an entire population.

A
1
B
2
C
3

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Sampling Methods Answers — CR02201A Probability…