The T-Test Can Be Characterized as a Regression (Linear) Model

question 2

Multiple Choice

The t-test can be characterized as a regression (linear) model if?

• A) The outcome variable is categorical.
• B) The groups have equal sample sizes.
• C) The experimental groups are represented by a binary variable .
• D) A t-test is always different from regression

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Definitions:

Poisson Distribution

A probability distribution that models the number of times an event occurs in a fixed interval of time or space, assuming events occur with a known constant mean rate independently of the time since the last event.

Chi-square Statistic

A statistic used to test hypotheses about the distribution of observations among categories.

Fixed Interval

A specific period of time between occurrences or events in a scheduled series.

Two-way Table

A table that displays data collected from two variables, providing a basis for examining relationships between them.