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Suppose patients were recruited into a clinical trial from three different clinical sites. Use the following data to test for differences in the proportion of

Suppose patients were recruited into a clinical trial from three different clinical sites. Use the following data to test for differences in the proportion of hypertensive patients across the three sites.

Site 1

Site 2

Site 3

Hypertensive

10

14

12

Not Hypertensive

68

56

40

What is the appropriate test statistic to use and test the hypothesis?

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