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SVEN [57.7K]
3 years ago
6

Leo wants to determine the average number of texts middle school students send in a day. Since all middle school students are en

rolled in history, he randomly surveyed 4 students from each of Mr. Barnes’s eighth-grade history classes. Ms. Lopez and Mrs. Frank also teach eighth-grade history. What should Leo do to ensure his sample is representative of all middle school students?
He should take the sample as is because he randomly surveyed students in each of Mr. Barnes’s classes.
He should also take a sample from Ms. Lopez’s and Mrs. Frank’s classes so that each student has the same chance of being chosen.
He should also take a sample from each of the other history classes in all of the other grades in the middle school.
He should survey all the students in all the history classes to make sure he collects enough data.
Mathematics
2 answers:
Svet_ta [14]3 years ago
7 0

Answer:

The answer is D!!!!!!!!!

rewona [7]3 years ago
3 0

Answer:

D is the correct answer. Have a great day!!! :)

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