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 a 99% confidence interval estimate of σ, the standard deviation of the duration times of game play. Assume that this sample was obtained from a population with a normal distribution. 4,071 4,381 3,898 4,901 4,103 3,872 4,729 4,208 4,222 5,014 4,425 4861 the confidence interval estimate is ____sec<σ<____sec. (Round to one decimal place as needed.)
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 a 99% confidence interval estimate of σ, the standard deviation of the duration times of game play. Assume that this sample was obtained from a population with a normal distribution. 4,071 4,381 3,898 4,901 4,103 3,872 4,729 4,208 4,222 5,014 4,425 4861 the confidence interval estimate is ____sec<σ<____sec. (Round to one decimal place as needed.)
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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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
interval estimate of
normal distribution .
a
99%
confidence σ,
the standard deviation of the duration times of game play. Assume that this sample was obtained from a population with a |
4,071
|
4,381
|
3,898
|
4,901
|
4,103
|
3,872
|
|
|
4,729
|
4,208
|
4,222
|
5,014
|
4,425
|
4861
|
the confidence interval estimate is
____sec<σ<____sec.
(Round to one decimal place as needed.)
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