
Concept explainers
a.
Complete the table of winning pole vault heights.
a.

Answer to Problem 10P
Explanation of Solution
Calculation:
We have comlpleted the table with the help of example
Hence, the table completed.
b.
Find the regression line for the data.
b.

Answer to Problem 10P
Explanation of Solution
Calculation:
Consider the data given in table.
With the help of graphing calculator regression line is computed,
Now graph of regression line is,
c.
Plot the data and the regression line on the same axes.
c.

Answer to Problem 10P
Explanation of Solution
Calculation:
With the help of graphing calculator regression line is computed,
Now graph both functions on same axis,
d.
Verify the regression line predict as the winning pole vault height for the
d.

Answer to Problem 10P
Prediction model gives higher value than actual height.
Explanation of Solution
Calculation:
Put
The actual height was
Hence, prediction model gives higher value than actual height.
Chapter 1 Solutions
EBK PRECALCULUS: MATHEMATICS FOR CALCUL
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