How Is the Value of the Correlation Coefficient R Affected

question 87

Essay

How is the value of the correlation coefficient r affected in each of the following cases?
a. Each x value is multiplied by 4.
b. Each x value is switched with the corresponding y value.
c. Each x value is increased by 2.

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Definitions:

Basal Metabolic Rate

A measure of the amount of energy expended while at rest in a neutrally temperate environment; it reflects the energy required to maintain the body's basic physiological functions.

Lateral Hypothalamus

An area of the brain that plays a critical role in regulating hunger and thirst.

Begin Copulating

The initiation of sexual intercourse or the act of mating between organisms.

Instinct Theory

A psychological theory suggesting that behaviors are driven by innate instincts.