line of best fit,

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter3: Polynomial Functions
Section3.5: Mathematical Modeling And Variation
Problem 17E: Sports The ordered pairs below give the winning times (in seconds) of the women’s 100-meter...
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Student Class Grade
Background
Layout
Theme
Transition
| 1 2 I 3 | 4
5
6
7 8 9
SOLVING PR OBLEMS USING
SCATT ER PLOTS
Let's try a negative association.
Use the line tool to draw a line of best fit,
extending the line of best to find the
y-intercept.
2.
Student
1.
Absences vs Grades
100
Choose two points on the line to calculate
slope.
Use the values to write the equation.
80
3.
Where does the line of best fit intersect the
60
y-axis?
y-intercept =
40
Using two points on the line, calculate slope
(remember the scale is NOT Counting by ones).
slope =
2468 10 12 14 16 18 22 24 26 28 30 32
Equation: y=
Absences
...
er notes
Transcribed Image Text:Student Class Grade Background Layout Theme Transition | 1 2 I 3 | 4 5 6 7 8 9 SOLVING PR OBLEMS USING SCATT ER PLOTS Let's try a negative association. Use the line tool to draw a line of best fit, extending the line of best to find the y-intercept. 2. Student 1. Absences vs Grades 100 Choose two points on the line to calculate slope. Use the values to write the equation. 80 3. Where does the line of best fit intersect the 60 y-axis? y-intercept = 40 Using two points on the line, calculate slope (remember the scale is NOT Counting by ones). slope = 2468 10 12 14 16 18 22 24 26 28 30 32 Equation: y= Absences ... er notes
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