Question: To test a hypothesis about a population standard deviation, the test statistic is chi Subscript Superscript 2equalsStartFraction left parenthesis n minus 1 right parenthesis s

To test a hypothesis about a population standard deviation, the test statistic is chi Subscript Superscript 2equalsStartFraction left parenthesis n minus 1 right parenthesis s squared Over sigma Subscript Superscript 2 EndFraction , where n is the sample size, s is the sample standard deviation, and sigma is the population standard deviation

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