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You randomly select and measure the contents of 10 bottles of cough syrup. The results are shown 4.216 4.298 4.256 4.244 4.184 4.292 4.267 4.246 4.229 4.233 Assume the sample is taken from a normally distributed population. Construct 98% confidence intervals for (a) the population variance o2 and (b) the population standard deviation.

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