Assume that a sample is used to estimate a population mean μμ. Find the margin of error M.E. that corresponds to a sample of size 23 with a mean of 74.7 and a standard deviation of 21.1 at a confidence level of 95%.
Assume that a sample is used to estimate a population mean μμ. Find the margin of error M.E. that corresponds to a sample of size 23 with a mean of 74.7 and a standard deviation of 21.1 at a confidence level of 95%.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 22SGR
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Assume that a sample is used to estimate a population mean μμ. Find the margin of error M.E. that corresponds to a sample of size 23 with a mean of 74.7 and a standard deviation of 21.1 at a confidence level of 95%.
Report ME accurate to one decimal place because the sample statistics are presented with this accuracy.
M.E. = ______
Answer should be obtained without any preliminary rounding. However, the critical value may be rounded to 3 decimal places.
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