Why D is the correct answer? What is the solution and reason for other choices to be wrong?
Why D is the correct answer? What is the solution and reason for other choices to be wrong?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Why D is the correct answer? What is the solution and reason for other choices to be wrong?

Transcribed Image Text:In a certain school district, students from grade 6 through grade 12 can participate in a school-sponsored community
service activity. The following bar chart shows the relative frequencies of students from each grade who participate
in the community service activity.
Relative Frequency
0.60-
0.50-
0.40-
0.30-
0.20-
0.10-
0-
6
7 8
9
Grade
10
11 12
Which of the following statements is supported by the bar chart?
(A) The greatest number of participating students was in grade 9.
(B) The number of participating students in grade 6 was equal to the number of participating students in grade 7.
(C) The relative frequency of all participating students in grades 6 and 7 combined was 0.60.
(D) Grade 12 had the least relative frequency of participating students.
(E) Grade 11 had the greatest relative frequency of participating students.
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