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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