A sociologist is studying the social media habits of high school students in a school district. The sociologist wants to estimate the average total number of minutes spent on social media per day in the population. A random sample of 50 high school students was selected, and they were asked, “How many minutes per day, on average, do you spend visiting social media sites?" Which of the following is the most appropriate inference procedure for the sociologist to use?     A one-sample zz-interval for a population proportion A A one-sample tt-interval for a population mean B A matched-pairs tt-interval for a mean difference C A two-sample zz-interval for a difference between proportions D A two-sample tt-interval for a difference between means E

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