4.5 Homework
By CHRISTOPHER HOWELL
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Last updated about 1 year ago
6 Questions
Note from the author:
Scatter plots and lines of fit.
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1.
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)
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2.
Describe the relationship between the data in the scatter plot.
__________
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3.
Describe the relationship between the data in the scatter plot.
__________
1
4.
Describe the relationship between the data in the scatter plot.
__________
2
5.
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: __________
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6.
Solve for w:
Solve for w: