Question

To determine whether there is a relationship between the type of school attended and verbal reasoning scores for Irish students, three samples with 25 students, in each group, were randomly selected from data used by Raferty and Hout (1985). One group of students attended secondary school, the second group of students attended vocational school, and the third group consisted of students who attended only primary school.

Select one answer.
If we let μ1, μ 2, and μ 3 be the mean verbal reasoning scores for students who attended secondary school, vocational school, and primary school only, respectively, the appropriate hypotheses in this case are:

a. H0: μ1 = μ2 = μ3

Ha: μ1, μ2, μ3, are not all equal

b. H0: μ1, μ2, μ3, are not all equal

Ha: μ1 = μ2 = μ3

c. H0: μ1 = μ2 = μ3

Ha: μ1 μ μ2 μ μ3

d. H0: μ1 μ μ2 μ μ3

Ha: μ1 = μ2 = μ3
e. None of the above are correct.

Answer 1

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