Braces { } Are Used to Indicate

question 8

Multiple Choice

Braces { } are used to indicate:

• A) either/or alternative.
• B) optional.
• C) repetitive elements.
• D) selection.

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Definitions:

Test Statistic

A value calculated from sample data during a hypothesis test used to decide whether to reject the null hypothesis.

Standard Error

The standard deviation of the sampling distribution of a statistic, commonly the mean.

Sample Standard Deviation

A measure of the dispersion or variability of a set of sample data points.

Alternative Hypothesis

A hypothesis used in hypothesis testing that proposes there is a significant difference between the observed data and the null hypothesis.