Question
1. Find the slope of the line of best fit. Slope: m = 2. Find the y-intercept of the line of best fit. y-intercept: b
1. Find the slope of the line of best fit.
Slope: m =
2. Find the y-intercept of the line of best fit.
y-intercept: b =
3. Write the equation of the line of best fit.
line of best fit: y =
4. Describe the correlation of the line.
5.Use the linear model from #3 to predict 20 years.
The following table gives the weights and waist sizes of 10 people.
Name
Weight (lbs)
Waist (in)
John
191
39
Amy
143
28
Debbie
114
24
Mason
206
44
Laura
190
34
Mike
173
32
Paul
130
27
Lily
141
32
Susan
99
23
Jason
169
33
Use the table to answer the following questions. Use your calculator to find the answers.
6. Find the slope of the line of best fit.
Slope: m =
7. Find the y-intercept of the line of best fit.
y-intercept: b =
8. Write the equation of the line of best fit.
line of best fit: y =
9. Describe the correlation of the line.
10.Use the linear model from #8 to predict the waist size of a person who weighs
125 lbs .
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Numerical Analysis
Authors: Richard L. Burden, J. Douglas Faires
9th edition
538733519, 978-1133169338, 1133169333, 978-0538733519
