Answer:
42% of the students prefer a concert over a movie.
A greater ratio of 11th graders prefer a concert to a movie.
The difference in the percent of students who prefer a movie over a concert is16%.
Step-by-step explanation:
10th 11th 12th total
movie .18 .16 .24 .58
concert .15 .18 .09 .42
total .33 .34 .33 1
The marginal relative frequency for 10th graders is 0.18. This is an incomplete statement
The marginal frequency is a number not a percent
42% of the students prefer a concert over a movie. 42% preferred a convert to the 58% who preferred a movie. True
A greater ratio of 11th graders prefer a concert to a movie. 18/100 concert to 16/100 for the movie for 11th graders
18:16 This is true
More 12th graders were surveyed than any other grade level.
There were more 11th graders surveyed (34%) to (33%) for 12 graders False
The difference in the percent of students who prefer a movie over a concert is16%. True
