Mathematics, 06.05.2020 02:38 ianbrown00121
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 $3.94. Assume the sample is taken from a normally distributed population. Construct 80% confidence intervals for (a) the population variance sigmasquared and (b) the population standard deviation sigma. Interpret the results.
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A magazine includes a report on the energy costs per year for 32-inch liquid crystal display (LCD) t...
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