The Heating Bills for a Selected Sample of Houses Using

question 153

Essay

The heating bills for a selected sample of houses using various forms of heating are given below. Values are in dollars.)
$\begin{array}{lll}\text { Natural Gas }&\text { Central Electric }&\text { Heat Pump }\\84 & 95 & 85 \\64 & 60 & 93 \\93 & 89 & 90 \\88 & 96 & 92 \\71 & 90 & 80\end{array}$
a. At α = 0.05, test to see if there is a significant difference among the average heating bills of the homes. Use the p-value approach.
b. Test the above hypotheses using the critical value approach. Let α = .05.

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Definitions:

Anticodon

In a tRNA, set of three nucleotides that base-pairs with an mRNA codon.

tRNA

Transfer RNA, a type of RNA molecule that helps decode a messenger RNA (mRNA) sequence into a protein during protein synthesis.

Protein-synthesizing Machinery

The cellular components, including ribosomes, tRNA, and mRNA, responsible for the synthesis of proteins.

Base-pair Substitution

A type of genetic mutation where one nucleotide base is replaced by another, leading to changes in the DNA sequence.