When Investigating a Relationship Between Two Variables, What Is the Most

question 8

Multiple Choice

When investigating a relationship between two variables, what is the most acceptable initial explanation of the relationship?

• A) the treatment
• B) chance
• C) researcher bias
• D) defined factors

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Definitions:

Fuel Efficiency

A measure of how far a vehicle can travel on a specified amount of fuel, usually expressed in miles per gallon (mpg) or liters per 100 kilometers (l/100km).

Car's Weight

The car's weight refers to the total mass of a vehicle, often measured in pounds or kilograms, including all its components and contents.

Moderately Strong Association

An intermediate level of correlation between two variables, indicating a significant but not perfect relationship.

Linear Association

A relationship between two variables that can be graphically represented as a straight line, showing how the change in one variable is associated with a change in another.