(Answered) A magazine includes a report on the energy costs per year

Statistics

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 ?$3.47 Assume the sample is taken from a normally distributed population. Construct 98 98?% confidence intervals for? (a) the population variance sigma σ squared 2 and? (b) the population standard deviation sigma σ. Interpret the results.

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