A group of 7 students was asked, "How many hours did you watch television last week?" Here are their responses. 4, 7, 20, 18, 9, 9, 6 Send data to calculator Find the mean number of hours for these...

Extracted text: A group of 7 students was asked, "How many hours did you watch television last week?" Here are their responses. 4, 7, 20, 18, 9, 9, 6 Send data to calculator Find the mean number of hours for these students. If necessary, round your answer to the nearest tenth. | hours