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Twelve different video games showing substance use were observed and the duration of times of game play (in seconds) are listed below. The design of the study justifies the assumption that the sample can be treated as a simple random sample. Use the sample data to construct an 80% confidence interval estimate of o, the standard deviation of the duration times of game play. Assume that this sample was obtained from a population with a normal distribution. 4,069 4,042 5,045 4,358 4,551 4,810 5,042 4,315 Click the icon to view the table of Chi-Square critical values. 4,214 4,914 The confidence interval estimate is sec

Twelve different video games showing substance use were observed and the duration of times of game play (in seconds) are listed below. The design of the study justifies the assumption that the sample can be treated as a simple random sample. Use the sample data to construct an 80% confidence interval estimate of o, the standard deviation of the duration times of game play. Assume that this sample was obtained from a population with a normal distribution. 4,069 4,042 5,045 4,358 4,551 4,810 5,042 4,315 Click the icon to view the table of Chi-Square critical values. 4,214 4,914 The confidence interval estimate is sec

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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Twelve different video games showing substance use were observed and the duration of times of game play (in seconds) are listed below. The design of the study justifies the assumption that the sample can be treated as a simple random sample. Use the sample data to construct an 80% confidence interval estimate of o, the standard deviation of the duration times of game play. Assume that this sample was obtained from a population with a normal distribution. 4,069 4,042 5,045 4,358 4,551 4,810 4,214 4,914 5,042 4,315 Click the icon to view the table of Chi-Square critical values. The confidence interval estimate is sec<o< sec. (Round to one decimal place as needed.) 4,246 4,862
Transcribed Image Text:Twelve different video games showing substance use were observed and the duration of times of game play (in seconds) are listed below. The design of the study justifies the assumption that the sample can be treated as a simple random sample. Use the sample data to construct an 80% confidence interval estimate of o, the standard deviation of the duration times of game play. Assume that this sample was obtained from a population with a normal distribution. 4,069 4,042 5,045 4,358 4,551 4,810 4,214 4,914 5,042 4,315 Click the icon to view the table of Chi-Square critical values. The confidence interval estimate is sec<o< sec. (Round to one decimal place as needed.) 4,246 4,862
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