Thirty-Five different video games showing drug use were observed. The duration times of drug use (in seconds) were recorded. When using this sample for a t test of the claim that the population mean is greater than 84 sec, what does df​ denote, and what is its​ value?   What does df​ denote?   A. The number of degrees of freedom B. The test statistic C. The sample standard deviation D. The sample size   The value of df is ________. ​(Type an integer or a decimal. Do not​ round.)

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