Amagozine includes a report on the energy costs por year for 32-inch liquid crystal display (L.CD) tolevisions. The articla states that 14 randomly selacted 32-inch L. CD. turkwiviont have a sample standard deviation of \$3.96. Assume the sample is taken from a norraily distributed population. Construct 95% confidence infervaln for (a) the popuation variance σ2 and (b) the population standard deviation σ. Interpret the results. (a) The conthdence interval for the population variance is (Found to two decimal places as needed.)