Answers are either independent or dependent: Whereas data within a single sample should always be independent, data gathered in two different samples are _______________ if sample data drawn from one population is completely unrelated to the selection of sample data from the other population. Whereas data within a single sample should always be independent, data gathered in two different samples are _______________ if there is a matching of the first sample data drawn and a corresponding data value in the second sample data. Solution gathered independently.