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A researcher would like to test the null hypothesis that the complication rates

ID: 3242851 • Letter: A

Question

A researcher would like to test the null hypothesis that the complication rates at two hospitals are equal. What statistical test should the researcher use in this situation?

T-test for means

Tukey’s HSD

Z-test for proportions

ANOVA

  

2. Which of the following characteristics are common to both the zdistribution and the t - distribution?

bellshaped

a mean of zero

a distribution that is symmetrical about the mean

all of the above

A.

T-test for means

B.

Tukey’s HSD

C.

Z-test for proportions

D.

ANOVA

Explanation / Answer

Solution:-

2 ) option B. a mean of zero

Explanation:- a mean of zero and a distribution that is symmetrical about the mean

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