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A researcher is interested in studying whether men and women differ in marriage satisfaction. For each...

A researcher is interested in studying whether men and women differ in marriage satisfaction. For each couple, both the husband and wife complete a survey to assess their level of satisfaction. Is an independent samples t test appropriate to test the null that men and women's marriage satisfaction levels are the same?

Math   Statistics-And-Probability   
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Answer #1

No, Sample data sets obtained from husband and wife can never be considered as independent samples. We know that whenever there is a relationship between the two samples, then the samples are not assumed to be independent.

In case of husband and wife, there is a direct relationship or correlation between two samples, which makes these samples as paired samples and not the independent samples.

Hence, an independent samples t test is not appropriate to test the null that men and women's marriage satisfaction levels are the same

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