Twenty-eight 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 73 sec, what does df denote, and what is its value? What does df denote? O A. The sample size B. The number of degrees of freedom C. The sample standard deviation D. The test statistic The value of df is (Type an integer or a decimal. Do not round.)

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