A Regression Analysis Between Weight (Y in Pounds)and Height (X $\hat { y } = 120 + 5 x$

question 103

Multiple Choice

A regression analysis between weight (y in pounds) and height (x in inches) resulted in the following least squares line: $\hat { y } = 120 + 5 x$ .This implies that if the height is increased by 1 inch,the weight,on average,is expected to:

• A) increase by 1 pound.
• B) decrease by 1 pound.
• C) increase by 5 pounds.
• D) increase by 24 pounds.

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