4.5 Homework

Last updated about 2 years ago

6 questions

Note from the author:

Scatter plots and lines of fit.

INTERPRETING A SCATTER PLOT

The scatter plot shows the earned run averages and the winning percentages of eight pitchers on a baseball team.

a) What is the winning percentage of the pitcher with an earned run average of 4.20? _______ 

b) What is the earned run average of the pitcher with
a winning percentage of 0.333?_______ 

c) What tends to happen to the winning percentage as the
earned run average increases?
_______ (increases/decreases)

Describe the relationship between the data in the scatter plot.
__________

Describe the relationship between the data in the scatter plot.
__________

Describe the relationship between the data in the scatter plot.
__________

MODELING REAL LIFE
The table shows the amounts of storage left y (in gigabytes) on a music-playing device when there are x songs on the device.
The equation for the line of best fit is as follows:

a) Interpret the slope: __________

b) Interpret the y-intercept: __________

4.5 Homework

Solve for w: