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tics (BLS) administer the American Time Use Survey (ATUS). Researchers estimate the average amount of time Americans spend on daily activities, such as working, housework, and leisure activities. In particular, one activity that is of interest is the average amount of time Americans spend watching television each day. A researcher complied a random sample of 12 Americans and asked each person how much time they spent watching television each day. The results are given below. 1.2 4.8 1.4 4.4 3.8 2.2 4.6 0.9 2.5 1.5 1 3.5 Determine the point estimate, and the sample standard deviation, s. Round the solutions to four decimal places, if necessary. 2.6500 Using a 95% confidence level, determine the margin of error, E, and a confidence interval for the average time Americans spend watching television each day. Report the confidence interval using interval notation. Round solutions to two decimal places, if necessary. The margin of error is given by E = A 95% confidence interval is given by

tics (BLS) administer the American Time Use Survey (ATUS). Researchers estimate the average amount of time Americans spend on daily activities, such as working, housework, and leisure activities. In particular, one activity that is of interest is the average amount of time Americans spend watching television each day. A researcher complied a random sample of 12 Americans and asked each person how much time they spent watching television each day. The results are given below. 1.2 4.8 1.4 4.4 3.8 2.2 4.6 0.9 2.5 1.5 1 3.5 Determine the point estimate, and the sample standard deviation, s. Round the solutions to four decimal places, if necessary. 2.6500 Using a 95% confidence level, determine the margin of error, E, and a confidence interval for the average time Americans spend watching television each day. Report the confidence interval using interval notation. Round solutions to two decimal places, if necessary. The margin of error is given by E = A 95% confidence interval is given by

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
Section10.6: Summarizing Categorical Data
Problem 10CYU
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#10).
Each year, researchers at the U.S. Bureau of Labor Statistics (BLS) administer the American Time Use Survey (ATUS). Researchers estimate the average amount of time Americans spend on daily activities, such as working, housework, and leisure activities. In particular, one activity that is of interest is the average amount of time Americans spend watching television each day. A researcher complied a random sample of 12 Americans and asked each person how much time they spent watching television each day. The results are given below. 1.2 4.8 1.4 4.4 3.8 2.2 4.6 0.9 2.5 1.5 1 3.5 Determine the point estimate, and the sample standard deviation, s. Round the solutions to four decimal places, if necessary. T = 2.6500 Using a 95% confidence level, determine the margin of error, E, and a confidence interval for the average time Americans spend watching television each day. Report the confidence interval using interval notation. Round solutions to two decimal places, if necessary. The margin of error is given by E A 95% confidence interval is given by
Transcribed Image Text:Each year, researchers at the U.S. Bureau of Labor Statistics (BLS) administer the American Time Use Survey (ATUS). Researchers estimate the average amount of time Americans spend on daily activities, such as working, housework, and leisure activities. In particular, one activity that is of interest is the average amount of time Americans spend watching television each day. A researcher complied a random sample of 12 Americans and asked each person how much time they spent watching television each day. The results are given below. 1.2 4.8 1.4 4.4 3.8 2.2 4.6 0.9 2.5 1.5 1 3.5 Determine the point estimate, and the sample standard deviation, s. Round the solutions to four decimal places, if necessary. T = 2.6500 Using a 95% confidence level, determine the margin of error, E, and a confidence interval for the average time Americans spend watching television each day. Report the confidence interval using interval notation. Round solutions to two decimal places, if necessary. The margin of error is given by E A 95% confidence interval is given by
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