Question

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 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 comma 955 3 comma 840 4 comma 747 4 comma 050 4 comma 487    4 comma 267 4 comma 735 4 comma 762 5 comma 019 5 comma 026 4 comma 196 4 comma 232

Answer 1