A survey was conducted to estimate the population mean number of hours adult Americans spend working per week. A 95% confidence interval was constructed: a 95% confidence interval for µ: (40.1, 43.9) hours per week. A. What is a point estimate of the population mean number of hours adult Americans work per week? hours (do not round) Answer: 9. B. What was the margin of error in this study? Answer = hours (do not round)
A survey was conducted to estimate the population mean number of hours adult Americans spend working per week. A 95% confidence interval was constructed: a 95% confidence interval for µ: (40.1, 43.9) hours per week. A. What is a point estimate of the population mean number of hours adult Americans work per week? hours (do not round) Answer: 9. B. What was the margin of error in this study? Answer = hours (do not round)
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 1GP
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