Each of 7 students reported the number of movies they saw in the past year. This is what they reported.19, 19, 6, 11, 18, 7, 13Find the mean and median number of movies that the students saw.If necessary, round your answers 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.

A survey was conducted to find the frequency with which people go to the movies. A group of 120 people in a mall were asked about how often they go out for a movie and It was found that 36 people go to movies at least once in a month.Which of these is an example of descriptive statistics?30% of the people who visited the mall go to movies at least once in a month.30% of the people who reside in the county go to movies at least once in a month.30% of the people surveyed in the mall go to movies at least once in a month.30% of the people who reside in the city go to movies at least once in a month.

Suppose that the bollywood movie industry wants to know how often college students go to the movies. Sixteen college students are selected at random from a city and asked how many movies they have seen in theater in the previous year. The data are as follows: 7, 13, 0, 10, 2, 8, 4, 11, 0, 5, 16, 6, 2, 12, 9, 0. Suppose that the national average for movie visits per person in a year is 9.0 and standard deviation is 4.0. a. State the NULL and Alternative hypothesis.b. Test statistically whether college students' habit of watching movie in theatre is significantly different from the population? The 95% region of acceptance for the test-statistic is [-1.96 : 1.96].

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?