Scatter Plots and Line of Best Fit
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
Used 6+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is a scatter plot?
A graph that shows the relationship of two data sets.
A graph drawn using rectangular bars to show how large each value is.
A graph that shows information that is connected in some way.
A graph that shows data changing over time.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
You are analyzing a scatter plot that has a negative correlation. What is true of the of the x and y values?
As x increases, y decreases
As x increases, y increases
As x decreases, y decreases
Tags
CCSS.HSF-LE.A.1B
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Write the equation for the line.
y = 46x
y = -1/2x
Tags
CCSS.8.EE.B.5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which best describes the form of this scatterplot?
linear
nonlinear
scattered
Tags
CCSS.8.F.A.3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What type of correlation does this graph show?
Positive
negative
none
all of the above
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the line of best fit?
f(x)= 5x+1.82
cannot be determined
f(x)= 1.82x + 5.02
f(x)= 1.1x + 4.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The table shown is comparing a person's foot length to their height in cm. Calculate a line of best fit.
f(x) = 25.05x + 5.57
f(x) = 5.57x + 25.05
f(x) = -5.57x + 25.05
f(x) = 5.57x - 25.05
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