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different video games showing alcohol use were observed. The duration times of alcohol use ​(in seconds) were recorded. When using this sample for a t test of the claim that the population mean is greater than 87 ​sec, what does df​ denote, and what is its​ value?

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Answer: Students´s "T" test is a type of deductive statistics. Is used for determine if there is a significant difference between the means of two groups.

DF: This refers to the difference between the average accounts of a single sample of individuals determined before treatment and after treatment.

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