A marriage counselor conducted a study of couples, categorizing each of the couples as "communicative" or "non-communicative". A
mong other things, the counselor wanted to see whether the percentage of communicative couples whose marriage ended in separation or divorce was greater than the percentage of non-communicative couples whose marriage ended in separation or divorce. Which hypothesis test would be most appropriate for this study?
A test for two proportions is used to compare two proportions in order to see if they are the same. it is used when comparing the percentages of two groups. Like in the question, the marriage counselor is checking to see if the percentage of communicative couples whose marriage ended separation or divorce was greater than the percentage of non-communicative couples whose marriage ended in separation or differences.
The two different proportions are the communicative and non-communicative couples.
