Which of the following is NOT true when testing a claim about a standard deviati

Question

Which of the following is NOT true when testing a claim about a standard deviation or variance? O A. The ,2 test is not robust against a departure from normality. O B. The condition of a normally distributed population is a much stricter requirement for the x2 test than for the t test or the z test C. The P-value method and the classical method are not equivalent to the confidence interval method in that they may yield different results OD. The table for finding P-values does not usually give exact P.values as it only includes select values of a and selected numbers of degrees of freedom.

Explanation / Answer

here option C is correct

as pvalue method and classical method are equaivalent to confidence interval method for they both gives same result

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