The Heating Bills for a Selected Sample of Houses Using $\mu$

question 90

Essay

The heating bills for a selected sample of houses using various forms of heating are given below (values are in dollars).
At $\mu$ = 0.05, test to see if there is a significant difference among the average bills of the homes.

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Definitions:

Biennial

Plants or events occurring every two years, particularly in the context of plant growth cycles.

Monocot

A classification of flowering plants (angiosperms) characterized by seeds with a single embryonic leaf or cotyledon.

Secondary Tissues

Plant tissues that arise from secondary growth, including secondary xylem (wood) and phloem, contributing to increased thickness of stems and roots.

Melanin

A dark pigment present in many animals; contributes to the color of the skin.