Two random samples are dependent if each data value in one sample can be paired with a corresponding data value in the other sample.
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A 'random' sample - covers all age groups, genders, and other criteria. A 'targeted' sample might only cover a small part of the population.
dependent. because this set of numbers is dependent on what is put into the data table.
stratified sampling, in which the population is divided into classes, and random samples are taken from each class;cluster sampling, in which a unit of the sample is a group such as a household; andsystematic sampling, which refers to samples chosen by any system other than random selection.