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:

Ribosome

A ribosome is a cellular organelle that synthesizes proteins by translating messenger RNA into amino acid sequences.

Anticodon

Three-base sequence in a transfer RNA molecule base that pairs with a complementary codon in mRNA.

Transfer RNA

An adaptor molecule in protein synthesis that carries a specific amino acid to the ribosome, where its anticodon pairs with the corresponding codon on mRNA.

Ribosomal RNA

A type of RNA which, along with proteins, forms the structure of ribosomes and plays a role in the translation of mRNA into proteins.