An Economic Development Researcher Wants to Understand the Relationship Between

question 7

Essay

An economic development researcher wants to understand the relationship between the average monthly expenditure on utilities for households in a particular middle-class neighborhood and each of the following household variables: family size, approximate location of the household within the neighborhood, and indication of whether those surveyed owned or rented their home, gross annual income of the first household wage earner, gross annual income of the second household wage earner (if applicable), size of the monthly home mortgage or rent payment, and the total indebtedness (excluding the value of a home mortgage) of the household.
The correlation for each pairing of variables are shown in the table below:
Table of correlations
-Which of the variables have a negative linear relationship with the household's average monthly expenditure on utilities?

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Definitions:

Calcitonin

A hormone produced by the thyroid gland that helps regulate calcium levels in the blood by reducing the calcium and phosphate levels in the blood.

Adipose Tissue

A type of body tissue that stores fat, serving both as a source of energy and as a form of insulation for the body.

Liver

A vital organ in vertebrates and some other animals which plays a key role in metabolism, detoxification, and various other bodily functions.

Glucagon

A hormone produced by the pancreas that raises blood glucose levels by promoting glycogen breakdown and glucose release by the liver.