If the Coefficient of Correlation Is 0

question 235

Multiple Choice

If the coefficient of correlation is 0.90,then the percentage of the variation in the dependent variable y that is explained by the variation in the independent variable x is:

• A)90%
• B)81%
• C)95%
• D)None of these choices.

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Definitions:

Frequency Distribution

A method for illustrating how often scores occur in groups called class intervals.

Frequency Polygon

A graphical representation of a frequency distribution that uses a continuous line to show the number of values that fall within a class interval.

Histogram

A graphical representation of a frequency distribution that uses bars of different heights to show the number of values that fall within each class interval.

Line Chart

A type of chart that displays information as a series of data points connected by straight line segments, often used to visualize trends over time.