A Graph of a Certain Set of Data Is Shown

question 34

Multiple Choice

A graph of a certain set of data is shown to be linear with a trendline of y = -25.2x + 6.What is the sign and slope of the trendline obtained from this data?

• A) negative, 25.2
• B) positive, 25.2
• C) positive, 6
• D) negative, 6
• E) negative, 19.2

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Definitions:

Standard Deviation

A statistical analysis tool that calculates the spread of a dataset relative to its mean.

Population Standard Deviation

A measure of dispersion of a population's values.

Entire Population

Refers to the complete set of items or individuals that is the subject of a statistical study.