### Home > CC3 > Chapter 1 > Lesson 1.1.4 > Problem 1-30

Kerin discovered that a human’s height is related to his or her reach. Kerin is curious if the same thing is true for foot size. *1-30 HW eTool** *(Desmos). Homework Help ✎

It was not practical for Kerin to measure her classmates’ feet, so Kerin collected the following shoe-size data from some of her classmates. Make a graph with appropriately scaled axes.

What are the largest and smallest values? Consider shoe size and height independently.

Does it matter which data is on the

-axis and which is on the -axis?

Is there a relationship between shoe size and height?

Examine the scatterplot you made in part (a). Estimate a line of best fit to help you see any trends.

Shoe Size | Height (cm) |

Input the data into the eTool below to graph the results.

Click the link at right for the full version of the eTool: CC3 1-30 HW eTool