Athiete Tlas Jse 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 ndependent. Result Stretched Not stretched Injury No injury 15 29 214 200 ...... a) Calculate the marginal frequencies and sample size. Athlete has Result Stretched Not stretched Total Injury 15 29 44 No injury 214 200 414 Total 229 229 458 (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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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.