# The price of lumber is typically a nonlinear distribution.

### GET A 40% DISCOUNT ON YOU FIRST ORDER

The price of lumber is typically a nonlinear distribution. Here are the current prices at a popular home improvement store for 2” x 4” lumber in different lengths.
length – feet
price
8
\$5.11
10
\$7.58
12
\$9.12
16
\$12.87
Create a scatterplot using this data. Place the explanatory variable on the horizontal axis and response variable on the vertical axis. Be sure to label the axes and scale.
Determine the exponential regression model for this data. Write the results below:
Equation
r2
Determine the quadratic regression model for this data. Write the result below:
Equation
r2
Use the regression models to make a price chart for some non-standard lengths of 2” x 4” lumber.
Length – feet
Exponential Regression Price
4
14
20
32
Write a brief paragraph comparing and contrasting the two regression models. Why do you think the regression model for lumber price is best represented in a nonlinear distribution?