Age of College Students Find the 99% confidence intervals for the variance and standard deviation of the ages of seniors at Oak Park College if a random sample of 26 students has a standard deviation of 3 years. Assume the variable is normally distributed. Use the chi-square distribution table to find any chi-square values to three decimal places. Round the final answers to one decimal place. < ?2 < < ? <
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Sample size (n) = 26 Sample standard deviation (s) = 3 years Confidence level = 99% Show more…
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