Set 2: Screen Time A researcher is studying the average amount of screen time US senior citizens (62 or older) have daily. In a random sample of 200 senior citizens, the mean daily screen time was 4.5 hours, with a standard deviation of 1.25 hours. Use these statistics for the sample data to answer the following questions.Question Set 2 Use the information above, Minitab, and the five-step hypothesis testing procedure outlined below to determine if there is evidence that the population mean of US senior citizens is different than 4.75 hours per week. Step 1a: Check assumptions