Scatter Plots and Predictions
Authored by Anthony Clark
Mathematics
8th Grade
8 covered
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14 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The scatterplot shows the age and the maximum vertical leap for six girls.
Based on this scatterplot, approximate the height of the vertical leap of a 10-year old girl.
12 inches
8 inches
8 years
12 years
Tags
8.5.D
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The graph shows how the number of inches of rain impacts the growth of a plant in inches. Based on the scatterplot, what is the best prediction of the number of inches a plant will grow after 4 inches of rain?
A plant is expected to grow 0.8 inches after 4 inches of rain.
A plant is expected to grow 0.2 inches after 4 inches of rain.
A plant is expected to grow 1.5 inches after 4 inches of rain.
A plant is expected to grow 1 inch after 4 inches of rain.
Tags
8.5.D
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What is a line of best fit used for?
To make predictions
To make the graph look pretty
To connect the points
To make it look like you know what you are doing
Tags
8.5.D
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Is this line an accurate line estimate of best fit for the data?
Yes
No
Tags
8.5.D
5.
DRAG AND DROP QUESTION
1 min • 1 pt
The scatterplot shows the cost, in dollars, of five different ladders. Each ladder is a different length.
Based on this scatterplot, use a trend line to predict the cost of a 6 foot ladder. (a)
$65
$40
$75
$45
$50
Tags
8.5.D
6.
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
Tags
CCSS.8.EE.B.5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What type of association does this graph have?
positive
negative
none
all of the above
Tags
CCSS.HSF-LE.A.1B
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