2. We would like to investigate the incidence of concussions among athletes. Samples of soccer players, non-soccer athletes, and non-athletes are collected. # of Concussions 0 1 2 ≥ 3 Soccer 45 25 11 10 N-S Athletes 68 15 Non-athletes 45 5 83 50 To see whether these three types of individuals have the same distribution, conduct a chi-square test of homogeneity at a = 5%. State (i) the degree of freedom, (ii) the expected frequency count of each cell and (iii) the conclusion of the test.
2. We would like to investigate the incidence of concussions among athletes. Samples of soccer players, non-soccer athletes, and non-athletes are collected. # of Concussions 0 1 2 ≥ 3 Soccer 45 25 11 10 N-S Athletes 68 15 Non-athletes 45 5 83 50 To see whether these three types of individuals have the same distribution, conduct a chi-square test of homogeneity at a = 5%. State (i) the degree of freedom, (ii) the expected frequency count of each cell and (iii) the conclusion of the test.
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Transcribed Image Text:2. We would like to investigate the incidence of concussions among athletes. Samples of soccer players,
non-soccer athletes, and non-athletes are collected.
# of Concussions
0
1
2
≥ 3
Soccer
45
25
11
10
N-S Athletes
68
15
8
5
Non-athletes
45
5
3
0
To see whether these three types of individuals have the same distribution, conduct a chi-square test
of homogeneity at a = 5%. State (i) the degree of freedom, (ii) the expected frequency count of each
cell and (iii) the conclusion of the test.
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