Each of 8 students reported the number of movies they saw in the past year. Here is what they reported.16, 6, 17, 11, 12, 17, 19, 11Find the mean number of movies that the students saw.If necessary, round your answer to the nearest tenth.

A group of 6 students was asked, "How many hours did you watch television last week?" Here are their responses.17, 5, 9, 17, 6, 9Find the mean number of hours for these students.If necessary, round your answer to the nearest tenth.

In a survey, some students chose their favourite type of film from a list of five.The bar chart shows the results.  45 students took part in the survey.Write the ratio     number of Year 10 students taking part : number of Year 11 students taking partin its simplest form.

This year, Michael watched 40 movies. He thought that 18 of them were very good. Of the movies he watched, what percentage did he think were very good?

In the past year Jenny watched 12 movies that she thought were very good. She watched 80 movies over the whole year. Of the movies she watched, what percentage did she rate as very good?

The following summarizes the number of fiction books read last summer by a sample of 27 students.Number of students Number of books readper student4 28 315 4What is the mean number of books read? Round your answer to the nearest tenth.books