If the Points of a Scatterplot Lie on a Straight

question 99

Multiple Choice

If the points of a scatterplot lie on a straight line, then the correlation:

• A) must be 1.
• B) must be positive.
• C) must be 0.
• D) must be either 1 or −1.

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Definitions:

Confidence Interval

A range of values, derived from the sample statistics, that is likely to contain the value of an unknown population parameter.

Population Parameter

A numerical value summarizing the whole population, commonly used in statistics, such as the mean or standard deviation.

Confidence Interval

A range of values, derived from sample data, that is likely to contain the value of an unknown population parameter, with a specified level of confidence.

Population Parameter

A numerical value that represents a characteristic or measure of an entire population.