A random sample of 100 high school students was asked, "Do you prefer to be a leader or a follower?" The responses were then classified according to grade level. Here is a bar graph of the results: Frequency 30 25 15 10 сл 0 6 12 9th Grade and Leadership Preference 18 10th 25 11th Grade Level 12 16 12th Leader Follower

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A random sample of 100 high school students was asked, "Do you prefer to be a leader or a follower?"
The responses were then classified according to grade level. Here is a bar graph of the results:
Frequency
30
25
20
15
10
сл
5
0
12
9th
Grade and Leadership Preference
18
10th
7
225
11th
Grade Level
12
16
12th
Leader
Follower
Based on this sample, is there convincing evidence of an association between grade level and leadership
preference in the population of students at this large high school? Use a = 0.05. Provide statistical
evidence to support your answer.
Transcribed Image Text:A random sample of 100 high school students was asked, "Do you prefer to be a leader or a follower?" The responses were then classified according to grade level. Here is a bar graph of the results: Frequency 30 25 20 15 10 сл 5 0 12 9th Grade and Leadership Preference 18 10th 7 225 11th Grade Level 12 16 12th Leader Follower Based on this sample, is there convincing evidence of an association between grade level and leadership preference in the population of students at this large high school? Use a = 0.05. Provide statistical evidence to support your answer.
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