A researcher wants to investigate the number of hours high school students spend doing homework each night. After surveying 1,200 high schoo

Question

A researcher wants to investigate the number of hours high school students spend doing homework each night. After surveying 1,200 high school students, the researcher makes the claim that she is 95% confident that the number of hours students spend doing homework each night is between 0.6 and 2.8 hours.
What is the mean and margin of error for this confidence interval?

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Hải Đăng 1 week 2021-07-22T16:02:11+00:00 1 Answers 1 views 0

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    2021-07-22T16:04:10+00:00

    Answer:

    _____ 2.1± standard deviation results in a 95% confidence interval. … A researcher wants to investigate the number of hours high school students spend … After surveying 1,200 high school students, the researcher makes the claim that she is 95% confident that the number of hours students spend doing homework each.

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