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Question: a magazine includes a report on the energy costs per...

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A magazine includes a report on the energy costs per year for 32-inch liquid crystal display (LCD) televisions. The article states that 14 randomly selected 32-inch LCD televisions have a sample standard deviation of $3.06. Assume the sample is taken from a normally distributed population. Construct 90% confidence intervals for (a) the population variance o? and (b) the population standard deviation o. Interpret the results. (a) The confidence interval for the population variance is (Round to two decimal places as needed.)
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