In hypothesis testing,the observations are paired so that the two sets of observations relate to the same respondents.

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This statement is true. In paired sample hypothesis testing, the two sets of observations are obtained from the same individuals or objects, either before and after an intervention or under two different conditions. Examples of paired samples include pre-test and post-test data, measurements of the same variable on two different occasions, or measurements of two different variables taken from the same subject. Paired samples are often used in experimental and longitudinal research designs to control for individual differences and increase the power of statistical tests.

In Hypothesis Testing,the Observations Are Paired So That the Two