A Curvilinear Relationship Is One in Which

question 5

Multiple Choice

A curvilinear relationship is one in which

• A) one variable always increases as the other increases.
• B) as X increases, Y will increase and then level off or fall.
• C) as X increases, Y will decrease and then level off or rise.
• D) both b and c

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Definitions:

Normal Curve

A bell-shaped curve that is symmetrical about the mean, representing the distribution of a continuous random variable.

Continuity Correction

An adjustment made when using a continuous probability distribution to approximate a discrete distribution.

Binomial Random Variable

A type of discrete random variable that represents the number of successes in a fixed number of binary experiments.

Normal Curve

A bell-shaped curve that represents a distribution of probabilities of a continuous random variable.