Exhibit 1A-7 Straight Line Relationship

question 241

Multiple Choice

Exhibit 1A-7 Straight line relationship
-According to Exhibit 1A-7, the relationship between annual income and air-travel expenditures is:

• A) direct.
• B) inverse.
• C) complex.
• D) independent.

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Definitions:

Modus Tollens (MT)

A logical rule stating that if a conditional statement (“if p then q”) is accepted, and the consequent (q) is denied, then the antecedent (p) must also be denied.

Modus Tollens (MT)

A logical argument form that asserts if a implies b, and not b is true, then not a must also be true.

Concordant Rates

In genetics, the likelihood of both members of a pair (especially twins) to either both exhibit or not exhibit a trait or disorder.

Heritability

Heritability is a measure of how much of the variation in a trait among individuals within a population can be attributed to genetic differences.