The Heating Bills for a Selected Sample of Houses Using

question 62

Essay

The heating bills for a selected sample of houses using various forms of heating are given below (values are in dollars). $$\begin{array} { c c c } \text { Gas-Heated Homes } & \text { Central Electric } & \text { Heat Pump } \\83 & 90 & 81 \\80 & 88 & 83 \\82 & 87 & 80 \\83 & 82 & 82 \\82 & 83 & 79\end{array}$$ At α = .05, test to see if there is a significant difference among the average bills of the homes.

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Definitions:

Methamphetamine

A powerfully addictive drug that stimulates the central nervous system, with speeded-up body functions and associated energy and mood changes; over time, appears to reduce baseline dopamine levels.

Crystallized Form

A manifestation of accumulated knowledge and the ability to use skills, concepts, and experience over time.

Barbiturates

A class of drugs that act as central nervous system depressants, often used for their sedative and anxiolytic effects.

Nervous System

The body’s speedy, electrochemical communication network, consisting of all the nerve cells of the peripheral and central nervous systems.