Concept explainers
a.
Sketch a
a.
Answer to Problem 6P
The scatter plot is
Explanation of Solution
Given: The data set is,
Calculation:
Using Excel to scetch a scatter plot.
- Write the data in the excel and plot using chart “scatter”.
b.
Draw a regression line.
b.
Answer to Problem 6P
The graph is,
Explanation of Solution
Given: The data set is,
Calculation:
The regression line is defined as,
Find the value of a and b using relation,
After simplifying the value of a and b, put into the equation (1) and get the solution.
Using Excel to scetch a scatter plot.
- Write the data in the excel and plot using chart “scatter”.
c.
Calculate ice extent in 2010 using linear model.
c.
Answer to Problem 6P
The ice extent in year 2010 is,
Explanation of Solution
Given: The data set is,
Calculation:
Using Excel to scetch a scatter plot.
- Write the data in the excel and plot using chart “scatter”.
Chapter 1 Solutions
EBK PRECALCULUS: MATHEMATICS FOR CALCUL
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