# Test Variable

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A Test Variable is a variable whose central tendency measure is to be compared to the hypothesized population parameter.

**Example(s):**- Considering the set of observations that contains weights in males and the null hypothesis: "The mean weight in males is 185". The test variable is weight, the central tendency measure is the mean value and the hypothesized population parameter (test value) is 185.

**See:**Parametric Statistical Test, Statistical Population, Sample