1. The heating bills for a selected sample of houses using various forms of heating are...

1. The heating bills for a selected sample of houses using various forms of heating are given below (values are in dollars).

Gas Heated Homes   Central Electric   Heat Pump
83 90 81
80     88 83
82      87 80
83         82 82
82      83 79

At alpha = 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.

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orchestra answered 1 year ago

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