Athlete has Use the contingency table to the right to calculate the marginal frequencies and find the expected frequency for each cell in the contingency table. Assume that the variables are independent. Stretched 23 Not stretched 20 Result Injury No injury 200 187 (a) Calculate the marginal frequencies and sample size. Athlete has Result Stretched Not stretched Total Injury 23 20 No injury 200 187 Total (b) Find the expected frequency for each cell in the contingency table. Athlete has Result Stretched Not stretched Injury No injury (Round to two decimal places as needed.)

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Athlete has
Use the contingency table to the right to calculate the marginal frequencies and find the expected
frequency for each cell in the contingency table. Assume that the variables are independent.
Stretched
23
Not stretched
20
Result
Injury
No injury
200
187
(a) Calculate the marginal frequencies and sample size.
Athlete has
Result
Stretched
Not stretched
Total
Injury
23
20
No injury
200
187
Total
(b) Find the expected frequency for each cell in the contingency table.
Athlete has
Result
Stretched
Not stretched
Injury
No injury
(Round to two decimal places as needed.)
Transcribed Image Text:Athlete has Use the contingency table to the right to calculate the marginal frequencies and find the expected frequency for each cell in the contingency table. Assume that the variables are independent. Stretched 23 Not stretched 20 Result Injury No injury 200 187 (a) Calculate the marginal frequencies and sample size. Athlete has Result Stretched Not stretched Total Injury 23 20 No injury 200 187 Total (b) Find the expected frequency for each cell in the contingency table. Athlete has Result Stretched Not stretched Injury No injury (Round to two decimal places as needed.)
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