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.

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.

Out of 100 people selected for a school survey, 59 were junior students, 3 were teachers and the rest were senior students. Write these ratios in simplest form:Question 1Workboarda. teachers : juniors = SUBMIT (ATTEMPT 1 OF 2)Question 2Workboardb. juniors : seniors = SUBMIT (ATTEMPT 1 OF 2)Question 3Workboardc. seniors : teachers = SUBMIT (ATTEMPT 1 OF 2)Question 4Workboardd. teachers : students = SUBMIT (ATTEMPT 1 OF 2)Question 5Workboarde. juniors : other members of the survey =

Each of 5 students reported the number of movies they saw in the past year. This is what they reported.9, 15, 17, 13, 6Find the mean and median number of movies that the students saw.If necessary, round your answers to the nearest tenth.

In a survey involving 60 students, it was found that 26 like Chemistry, 24 like Physics, 18 like Mathematics, 12 both Chemistry and Physics, 10 Chemistry and Mathematics, 10 Physics and Mathematics and 15 none of the three subjects. Find the number of students that like all the three subjects.

A University student population is represented in three age groups are followed:Student Age-GroupStudent Proportion (%)18-2545%26-4436%45-6419%Which student age group represents the highest proportion?