V5: Posttest 5:Regression and Modeling
odeling
30%
Construct a scatterplot and identify the mathematical model that best fits the data. Assume that the
model is to be used only for the scope of the given data and consider only linear, quadratic, logarithmic,
exponential, and power models. Use a calculator or computer to obtain the regression equation of the
model that best fits the data. You may need to fit several models and compare the values of R2.
A rock is dropped from a tall building and its distance (in feet) below the point of release is recorded as accurately
as possible at various times after the moment of release. The results are shown in the table. Find the regression
equation of the best model.
70%
x (seconds after release) 1 2 3 4 5 6
y (distance in feet) 16 63 146 255 403 572