Mathematics, 25.03.2020 05:49 palafox9898

Thirty dash three different video games showing violence were observed. The duration times of violence (in seconds) were recorded. When using this sample for a t test of the claim that the population mean is greater than 72 sec, what does df denote, and what is its value?

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Thirty dash three different video games showing violence were observed. The duration times of violen...