A Planetfeedback

question 31

Multiple Choice

A Planetfeedback.com survey found that as many as 95 percent of respondents considered themselves as

• A)frequent Internet shoppers.
• B)easy targets for online fraud or identity theft.
• C)benefiting from individualized messages and personalized ads.
• D)angry or furious over spam and pop-up ads.

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Definitions:

Stepwise Regression

A technique in regression modeling that involves automatically selecting which variables predict the outcome.

Nonparametric Tests

Statistical tests that do not assume a specific distribution shape for the population from which the samples are drawn.

Underlying Population

This term refers to the entire group from which a sample is drawn for statistical analysis, representing the total set of observations of interest.

Population Distributions

Population distributions describe how the values of a particular variable or characteristic are spread out across all members of a population.