WorksheetsUnderstanding Scatterplot Graphs
Total questions: 12
Worksheet time: 20mins
Name
Class
Date
1.
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What type of correlation does this graph have?
What type of correlation does this graph have?
a)
positive
b)
negative
c)
none
d)
all of the above
2.
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What type of correlation does this graph have?
What type of correlation does this graph have?
a)
Negative
b)
no correlation
c)
positive
3.
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The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.
Use the line of best fit to predict how many chapters would be in a book with 180 pages.
The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.
Use the line of best fit to predict how many chapters would be in a book with 180 pages.
a)
12 chapters
b)
15 chapters
c)
18 chapters
d)
21 chapters
4.
What type of correlation is this?
The outside temperature and the amount of layers you wear.
The outside temperature and the amount of layers you wear.
a)
Positive correlation
b)
Negative correlation
c)
No correlation
5.
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If Gold's Gym is looking to buy 30 TVs, estimate the cost using this graph. Choose the best answer!
If Gold's Gym is looking to buy 30 TVs, estimate the cost using this graph. Choose the best answer!
a)
400
b)
750
c)
1250
d)
0
6.
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Which is a FALSE statement about this graph?
Which is a FALSE statement about this graph?
a)
It shows a positive correlation
b)
It shows the relationship between variable X and variable y
c)
All the data is located in quadrant 1.
d)
The line of best fit shows a slope of 1/2.
7.
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If a line of best fit were drawn, which equation represents the points? (Choose the BEST answer).
If a line of best fit were drawn, which equation represents the points? (Choose the BEST answer).
a)
y= 1/3x
b)
y= 1/2x
c)
y= 3x
d)
y= 2x
8.
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The graph shows the sales at an ice cream shop. Which statement is supported by the data in the graph?
The graph shows the sales at an ice cream shop. Which statement is supported by the data in the graph?
a)
Lower priced items have higher numbers of sales.
b)
Higher priced items have higher numbers of sales.
c)
Customers will not pay more than $3.50 for ice cream.
d)
The price does not affect the number of sales of ice cream products.
9.
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The scatterplot shows the relationship between the number of hours a person exercises and the time it takes to drive to work. Which conclusion does the data most strongly support?
The scatterplot shows the relationship between the number of hours a person exercises and the time it takes to drive to work. Which conclusion does the data most strongly support?
a)
The time it takes to drive to work decreases as the number of hours exercising increases.
b)
The time it takes to drive to work increases as the number of hours exercising increases.
c)
The time it takes to drive to work stays the same as the number of hours exercising increases.
d)
The time it takes to drive to work is not related to the number of hours exercising.
10.
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As the age of the car increases, its value decreases. Which scatterplot represents this relationship?
As the age of the car increases, its value decreases. Which scatterplot represents this relationship?
a)
A
b)
C
c)
B
d)
D
11.
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Which scatter plot shows a linear relationship between x and y?
Which scatter plot shows a linear relationship between x and y?
a)
Graph A
b)
Graph B
c)
Graph C
d)
Graph D
12.
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Look at the line of best fit in each graph. Which one is the most accurate representation of its data?
Look at the line of best fit in each graph. Which one is the most accurate representation of its data?
a)
A
b)
B
c)
C
d)
D
100 %
