Use height as the independent variable and length of forearm as the
dependent variable for the data collected from nine students.
a. Name a good graphing window for your scatter plot.
b. Write a linear equation that models the data.
c. Write a sentence describing the real-world meaning of the slope
of your line.
d. Write a sentence describing the real-world meaning of the
y-intercept. Explain why this doesn't make sense and how you
might correct it.
e. Use your equation to estimate the height of a student with a
50 cm forearm and to estimate the length of a forearm of a
student 158 cm tall.
Height (cm)
185.9
172.0
155.0
191.5
162.0
164.3
177.5
180.0
179.5
Forearm (cm)
48.5
44.5
41.0
50.5
43.0
42.5
47.0
48.0
47.5