9
QuizMultiple Choice
Calculating the Least-Squares Regression Line
Question 9 • CA-Statistics and Probability A
The scatterplot displays the number of pretzels students could grab with their dominant hand and their handspan, measured in centimeters. An analysis was completed and the computer output is shown. PredictorCoefSE Coeft-ratiopConstant-14.714.3171.6890.046Handspan1.5850.3105.1140.000S = 3.05R-Sq = 52.1%R-Sq(Adj) = 51.7%
Answer
A
pretzel, the handspan will increase by about 1.585 cm.B
pretzel, the handspan is predicted to increase by about 1.585 cm.C
centimeter in handspan, the number of pretzels increases by about 1.585.D
centimeter in handspan, the number of pretzels is predicted to increase by about 1.585.