Discussion
Which one of the hypothesis test is appropriate for the users and no-users of service ?
Answer: A
The t-test is the right test for comparing users and non-users of a service.
There are two groups, users and non-users, and the comparison is of their scores or means on a scale, which is what the independent samples t-test does.
ANOVA is used when there are three or more groups, such as the lower, middle and higher income groups in the passage. MANOVA is used when several dependent variables are tested together. The Friedman rank test is for ranked data from the same subjects measured under several conditions, which is not the case for two separate groups.
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