Individuals of different ethnicities are somewhat more genetically variable than those of the same ethnicity and...

Individuals of different ethnicities are somewhat more genetically variable than those of the same ethnicity and may respond to treatments differently. The FDA has recently requested that every effort be made to include individuals of all major ethnic backgrounds when enrolling subjects in clinical trials. A study described the efficacy of calcium and vitamin D supplementation in preventing hip and other fractures in healthy postmenopausal women. Here is the breakdown by major ethnic group of the subjects’ ethnicity, along with the percent of individuals from each ethnicity in the general American population:

No significance level was given

Ethnicity	Count in Study	Percent in U.S.	Expected Count
White	252	75.6
Black	28	10.8
Hispanic	13	9.1
Asian/Pacific Islander	6	3.8
Native American	2	0.7

What is the research hypothesis?
Give the null and alternative statistical hypotheses.
Compute Chi-Square
The p-value of computed Chi-Square is:
Decision: reject or fail to reject H₀

Expert Solution

orchestra answered 2 years ago

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