A Population Consists of 8 Items

question 25

Multiple Choice

A population consists of 8 items. The number of different simple random samples of size 3 (without replacement) that can be selected from this population is _____.

• A) 24
• B) 56
• C) 512
• D) 128

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Definitions:

Nominal Variable

A nominal variable is a type of categorical variable for which there is no natural ordering among the categories.

Regression Line Formula

An equation that describes the best-fitting straight line through a set of points, indicating the relationship between two variables.

Regression Line

A line of best fit through a scatter plot of data points that shows the relationship between two variables.

Multiple-Regression Formula

An equation that models the relationship between a dependent variable and two or more independent variables, predicting the dependent variable based on the independents.