Scatter Plot Trend Lines and Predictions
Authored by Anthony Clark
Mathematics
8th Grade
Statistics covered
Used 1+ times
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10 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
y = -5/4x + 21
Tags
Statistics
Line of Best Fit
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following lines represents the line of best fit for the scatter plot?
A
B
C
D
Tags
Statistics
Scatter Plots
Line of Best Fit
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the equation of the line of best fit for the given data
y=163.41x + 4.19
y=-163.41x + 4.19
y=-4.19x + 163.41
y= 4.19x - 163.41
There is no linear correlation of the data set
Tags
Statistics
Line of Best Fit
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
As the age of the car increases, its value decreases. Which scatterplot represents this relationship?
A
B
C
D
Tags
Statistics
Scatter Plots
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A restaurant sells pizza for the prices in the data table. Calculate the linear regression equation of the data.
y = 3/2x + 12
y = 12x + 1.5
y = 2/3x - 8
y = -8x + 0.67
y = 2/3x + 12
Tags
Statistics
Line of Best Fit
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What type of correlation does this scatter plot show?
positive linear association
negative linear association
no association
exponential association
quadratic association
Tags
Statistics
Scatter Plots
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In this image, how would you describe the point that does not fit the pattern of the other dots?
The point is a linear model.
The point is an outlier.
The point is the range.
The point is the median.
The point is the vertex.
Tags
Statistics
Scatter Plots
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