The Test Statistic Used to Test Hypotheses About the Population $\chi$

question 125

True/False

The test statistic used to test hypotheses about the population variance is given by $\chi$ ² = (n-1)s² / $\sigma$ ²,which is chi-squared distributed with n -1 degrees of freedom when the population random variable is normally distributed with variance equal to $\sigma$ ².

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