The Heating Bills for a Selected Sample of Houses Using

Essay

The heating bills for a selected sample of houses using various forms of heating are given below values are in dollars).
$\begin{array}{lll}\text { Gas Heated Homes }&\text { Central Electric }&\text { Heat Pump }\\83 & 90 & 81 \\80 & 88 & 83 \\82 & 87 & 80 \\83 & 82 & 82 \\82 & 83 & 79\end{array}$ At α = 0.05, test to see if there is a significant difference among the average bills of the homes. Use both the critical and p-value approaches.