Twelve different video games showing product placement were observed and the duration times of game play...
Twelve different video games showing product placement were observed and the duration times of game play (in seconds) were recorded and found to have a normal distribution. The design of the study justifies the assumption that the sample can be treated as a simple random sample. Given a sample standard deviation of 60.9 seco, use the sample data to construct a 99% confidence interval estimate of (greek letter sigma), the standard deviation of the duration times of game play.
Homework Answers
Given : Sample size=n=12
Sample standard deviation=s=60.9
Significance level=
Therefore , the 99% confidence interval estimate of the standard deviation of the duration times of game play is ,
; from excel "=CHIINV(0.005,11)" and "=CHIINV(0.995,11)"
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Twelve different video games showing product placement were
observed and the duration times of game play...
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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 a 90% confidence interval estimate of sigma, the standard deviation of the duration times of game play. Assume that this sample was obtained from a population with a normal distribution. 4,975 3,914 4,103...
Twelve different video games showing substance use were observed and the duration of times of game...
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Twelve different video games showing substance use were observed and the duration times of game play...
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Twelve different video games showing substance use were observed and the duration of times of game...
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Twelve different video games showing substance use were observed and the duration 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 data to construct a 90 % confidence interval estimate of μ , the mean duration of game play. 4620 4820 4890 4247 3906 4020 4307 4426 4881 4262 4953 4921 What is the confidence interval estimate of the...
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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 a 95% 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 4,058 4,498 3,9774,063...
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