A Simple Linear Regression Between Y (Weight in Pounds) and X

question 56

Multiple Choice

A simple linear regression between y (weight in pounds) and x (height in inches) results in the following least-squares line: y = 128 + 6x.This tells us that if the height is increased by 1 in, then.on average.the weight is predicted to:

• A) decrease by 1 lb.
• B) decrease by 6 lb.
• C) increase by 6 lb.
• D) increase by 128 lb.

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