Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.
Trending News
Statistics and Probablility help!? ?
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 sigma σ, the standard deviation of the duration times of game play. Assume that this sample was obtained from a population with a normal distribution.
4,846
4,394
4,821
4,622
4,888
4,724
4,800
4,770
4,156
4,444
4,901
4,805
Be the first to answer this question.