A 2012 Gallup poll of collected data on the percentage of residents in different states who report exercising for at least 30 minutes 3 or more days per week (Source: Gallup Analytics) .Suppose the sample data show the following: A researcher conducts the following hypotheses test to determine whether the proportion that exercises regularly differs across the four states.
H0: 1 = 2 = 3 = 4 (the population proportions are equal)
HA: At least two population proportions differ from one another.
At a 5% significance level, what is the critical value, 2c, for the hypothesis test?
A) 0.711
B) 7.815
C) 9.348
D) 9.488
Correct Answer:
Verified
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