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.