After gaining enough experience to advance through a first salary schedule (A), police officers at the Los
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Let s be the annual salary (in dollars) for step n.
a. Construct a scatterplot by hand.
b. Describe the four characteristics of the association. Compute and interpret r as part of your analysis.
c. Draw a linear model on your scatterplot.
d. Predict the salary at step 5. Have you performed interpolation or extrapolation? Do you have much faith in your result?
e. Suppose police officers negotiated adding Step 8 to Schedule 2. Predict the annual salary at Step 8. Have you performed interpolation or extrapolation? Do you have much faith in your result?
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