Mathematics, 14.12.2019 03:31 kbuhvu

Amedical researcher is interested in determining if there is a relationship between adults over 50 who walk regularly and low, moderate, and high blood pressure. a random sample of 236 adults over 50 is selected and the results are given below:

70.8, 27.1, 66.2, 20.8
find the expected frequency e2,2 to test the claim that walking and low, moderate, and high blood pressure are not related.

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