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Bivariate
Quiz
•
Mathematics
•
8th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which value of r represents data with a strong negative linear correlation between two variables?
-0.86
-0.50
0.89
0.07
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The graph shows a line of best fit for data collected on the amount of income earned by lawn companies in relation to the number of yards mowed. What is the equation of the line of best fit?
y = (3/2) x
y = 30x
y = 30x + 300
y = (3/2)x + 300
Tags
CCSS.8.EE.B.5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A line drawn on a scatter plot that is close to most of the data points.
Best fitting line
Best Linear Line
Line of best fit
Tags
CCSS.8.EE.B.5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Is this line an accurate line estimate of best fit for the data?
Yes
No
Tags
CCSS.8.EE.B.5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Is this line an accurate line estimate of best fit for the data?
Yes
No
Tags
CCSS.8.EE.B.5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What are the coordinates of the outlier?
(1,9)
(9,1)
(2,2)
y=x
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the equation of the line of best fit?
y= 6x + 2
y = -2x +6
Tags
CCSS.8.EE.B.5
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