Respuesta :
Answer:
42% of the students prefer a concert over a movie. Â
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%. Â
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. Â This is an incomplete statement
The marginal frequency is a number not a percent
42% of the students prefer a concert over a movie. Â 42% preferred a convert to the 58% who preferred a movie. Â 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 Â 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%. Â True
Answer:
B. 42% of the students prefer a concert over a movie
C. A greater ratio of 11th graders prefer a concert to a movie
E. The difference in the percent of students who prefer a movie over a concert is 16%
Step-by-step explanation:
No. movie concert total
10th - 0.18 - 0.15 - 0.33
11th - 0.16 - 0.18 - 0.34
12th - 0.24 - 0.09 - 0.33
Total - 0.58 - 0.42 - 1.00
0.42 is 42%
(0.58 -0.42) × 100 = 16%