Confidence Intervals for the Variance and Standard Deviation
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The 2 problems attached are problems from the topic Confidence Intervals for the Variance and Standard Deviation of a Normal Proportion. Please provide a very detailed solution to the problems.
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Solution Summary
To find the confidence interval for variance using chi-square test statistic.
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Please see the attached file.
χˆ2 is chi -square variate
χˆ2 = (N-1)sˆ2 / σˆ2 folllows chi square distribution with (N-1) degrees of freedom where N is ...
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