Question

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 z
-interval for a population proportion
A

A one-sample t
-interval for a population mean
B

A matched-pairs t
-interval for a mean difference
C

A two-sample z
-interval for a difference between proportions
D

A two-sample t
-interval for a difference between means
E

Is the correct choice A?