Which of the Following Conditions Is Needed Regarding the Chi-Squared

question 6

Multiple Choice

Which of the following conditions is needed regarding the chi-squared test statistic for the test of variance?

• A)The population random variable must be normal.
• B)The test statistic must be a non-negative number.
• C)The test statistic must have a chi-squared distribution with n − 1 degrees of freedom.
• D)All of these choices are true.

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