Question

Explain the mathematical relationship between weight and braking based on the linear correlation coefficient. Be certain to include comments about the magnitude and the direction of the correlation.

Y Value Which two columns of data would you like to plot? X Value 3 WEIGHT 5 BRAKING Plot General Title x Label y Label Scatterplot (n 21) 145 43.1 Axis Label Size Tick Label Size Title Size 141.2 139.3 Show Grid 137.4 Marker Settings circle 135.5 33.6 Solid Marker 131.7 Regression Line 129.8 solid 127.9 00 2700 2900 3100 3300 3500 3700 3900 4100 4300 4500 Visible X Values Print

Answer 1

From the given scatter plot there is positive relationship between weight and braking.

Also the data points are largely scatter from the straight line, so we conclude that the relationship between weight and braking is not strong. So magnitude of r lies between 0.30 to 0.60.