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Assuming the population has an approximate normal distribution, if a sample size n = 31 has a sample mean x = 30 with a sample standard deviation s = :6, find the margin of error at a 95% confidence level. Round the answer to two decimal places. Hint: E = 1 (Upper Bound - Lower Bound) 2

Assuming the population has an approximate normal distribution, if a sample size n = 31 has a sample mean x = 30 with a sample standard deviation s = :6, find the margin of error at a 95% confidence level. Round the answer to two decimal places. Hint: E = 1 (Upper Bound - Lower Bound) 2

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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Assuming the population has an approximate normal distribution, if a sample size n = 31 has a sample mean x = 30 with a sample standard deviation s = 6, find the margin of error at a 95% confidence level. Round the answer to two decimal places. Hint: E = 1 (Upper Bound - Lower Bound)
Transcribed Image Text:Assuming the population has an approximate normal distribution, if a sample size n = 31 has a sample mean x = 30 with a sample standard deviation s = 6, find the margin of error at a 95% confidence level. Round the answer to two decimal places. Hint: E = 1 (Upper Bound - Lower Bound)
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