SELECT ALL THAT APPLY

question 20

Multiple Choice

SELECT ALL THAT APPLY.
-A linear relationship

• A)approximates the observations displayed in a scatter diagram with a straight line.
• B)is termed deterministic if some observations fall along a straight line.
• C)is termed perfectly linear relationship if all the observations fall along a straight line.
• D)is a relationship between two interval-ratio variables.

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Definitions:

Parameter λ

Often used to denote a rate parameter in exponential distributions which quantifies the frequency of occurrence for a given event.

Normally Distributed

A type of distribution for a variable where data are symmetrically distributed around the mean, showing a bell-shaped curve.

Average Balance

The mean amount of money held in an account over a certain period.

Standard Deviation

An index of variability that quantifies the spread of a set of numbers or the dispersion from the average.