Suppose the Ordinary Least-Squares Approach to a Regression Analysis Produced

question 73

Multiple Choice

Suppose the ordinary least-squares approach to a regression analysis produced the following Y = 20 - 39X R² = .90
Which of the following statements is FALSE?

• A) For every unit change in X there is a corresponding negative change in the average value of Y of 39 units.
• B) 90 percent of the variation in Y is associated with variation in X.
• C) The slope of the line is 20.
• D) The average value of Y given x = 10 is 370.
• E) If X = 0, then Y = 20.

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Definitions:

CPU

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A display technology featuring organic compounds that emit light in response to an electric current, known for high contrast ratios and deep blacks.

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Read-Only Memory, a type of non-volatile storage that is used to hold permanent data and instructions for electronic devices.

RAM

Random Access Memory, a form of computer data storage that allows stored data to be accessed in any order, typically used for storing working data and machine code.