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Author Question: A population mean is to be estimated from the sample described. Round your answer to one decimal ... (Read 37 times)

erika

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Question 1

A population mean is to be estimated from the sample described. Round your answer to one decimal place if necessary. Assume that all confidence intervals use a 95% confidence level.

Sample size = 256, sample mean = 45, sample standard deviation = 17
What is the margin of error?
◦ 1.1
◦ 5.6
◦ 0.1
◦ 2.1

Question 2

A population mean is to be estimated from the sample described. Round your answer to one decimal place if necessary. Assume that all confidence intervals use a 95% confidence level.

Sample size = 3025, sample mean = 244, sample standard deviation = 80
What is the margin of error?
◦ 0.1
◦ 1.5
◦ 2.9
◦ 8.9


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Marked as best answer by erika on Jan 18, 2020

guyanai

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erika

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Reply 2 on: Jan 18, 2020
Thanks for the timely response, appreciate it


bassamabas

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Reply 3 on: Yesterday
Excellent

 

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