Concept explainers
(a)
Sketch a
Year | ||||||||
Percent |
(a)
Answer to Problem 1GP
The scatter plot and the line of fits is shown by the following graph:
Explanation of Solution
Given:
Year | ||||||||
Percent |
Concept Used:
The slope intercept form equation is
Where;
Slope:
Y-intercept:
Calculation:
Consider,
Year:
Percent:
There are seven points are given as:
Now use any two points to calculate the slope intercept from equation:
Now, the slope intercept form equation is written as:
Now put the value of
So, the final slope intercept form equation is:
The scatter plot and the line of fits are shown by the following graph by using the above data points and line of fit eq. or slope-intercept form eq.
Conclusion:
Hence, with the help of slope-intercept form the line of fit is drawn as above.
(b)
The percent of households with the digital camera in the year
(b)
Answer to Problem 1GP
There is
Explanation of Solution
Given:
Concept Used:
The slope intercept form equation is
Where;
Slope:
Y-intercept:
Calculation:
From the first subpart:
The final slope intercept form equation is derived as:
Now, to calculate the number of Sunday newspapers
Conclusion:
Hence, percent of households with the digital camera in the year
Chapter 8 Solutions
Pre-Algebra Student Edition
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