Scatterplot Line of Best Fit Two Way Table
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following could be a possible line of best fit for the data?
y = -5/2x + 20
y = -x + 19
y = x + 20
y = 2/3x + 15
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose a LINE OF BEST FIT passes through the points (6, 34) and (8, 50). The EQUATION of this line is . . .? (hint: find the slope and the equation in point-slope form. THEN put it into slope-intercept form)
y = 8x – 5
y = 2x
y = 2x + 7
y = 8x – 14
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the scatter plot, does the image shows a "Line of Best Fit"?
Yes
No
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the scatter plot, does the image shows a "Line of Best Fit"?
Yes
No
Tags
CCSS.8.EE.B.5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the scatter plot, does the image shows a "Line of Best Fit"?
Yes
No
6.
OPEN ENDED QUESTION
1 min • 1 pt
The scatterplot shows data collected from 9 people about how much money they earned based on the hours they worked. Use 2 points on the line of best fit and find the slope.
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Tags
CCSS.8.EE.B.5
7.
OPEN ENDED QUESTION
1 min • 1 pt
Using your slope from the previous question, give the equation for the line of best fit in point-slope form (choose 1 of the 2 points you used to find the slope)
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