You Want to See If Average Life Expectancy Differs by Occupation

question 22

Multiple Choice

You want to see if average life expectancy differs by occupation and within occupations by race. Race should be the _____ when setting up the Means procedure.

• A) dependent variable
• B) 1^st layer independent variable
• C) 2^nd layer independent variable
• D) 3^rd layer independent variable

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Definitions:

Continuity Correction

A correction used in approximating a discrete distribution with a continuous one, especially in hypothesis testing with binomial distributions.

Normal Probability Distribution

A bell-shaped curve that represents the distribution of many types of naturally occurring data and is defined by its mean and standard deviation.

Discrete Probability Distributions

Probability distributions that characterize the outcomes of experiments with discrete outcomes, specifying the probability of each outcome.

Binomial Probabilities

The probabilities of obtaining a given number of successes in a fixed number of binary trials.