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Scatter Plots

Total questions: 28

Worksheet time: 1hrs 18mins

Name
Class
Date
1.
What is the type of association?
a)
Negative 
b)
no association
c)
positive 
2.
What type of association does this graph have?
a)
positive
b)
negative
c)
none
d)
all of the above
3.
What type of association does this scatter plot show?
a)
positive linear association
b)
negative linear association
c)
no association
d)
nonlinear association
4.
About how many male math teachers were there in 2006?
a)
15
b)
30
c)
35
d)
45
5.
The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.  Use the trend line 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
6.
As x increases, y increases
a)
correlation coefficient
b)
causation
c)
positive correlation
d)
negative correlation
7.
Which of the following could be a possible line of best fit for the data?
a)
y = -5/2x + 20
b)
y = -x + 19
c)
y = x + 20
d)
y = 2/3x + 15 
8.
What is a line of best fit used for?
a)
To make predictions
b)
To make the graph look pretty
c)
To connect the points
d)
To make it look like you know what you are doing
9.
The following scatter plot shows Pam's training as she prepares to run a 6 mile race at the end of the month.  Which of the following would be a reasonable approximation for the length of time it would take for her to run 6 miles? 
a)
A. 50 min
b)
B. 80 min
c)
C. 45 min
d)
D. 60 min
10.
Based on the graph, if Joe earned $400, how many hours did he work?
a)
25 hours
b)
35 hours
c)
45 hours
d)
15 hours
11.
What is the correlation between length of running start and distance of jump?
a)
positive:  the further you run the further you jump
b)
negative: the less you run the less distance of your jump
c)
positive: the further your running start the less your distance
12.
The scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?
a)
The more books students read, the lower their English grade.
b)
The more books students read, the higher their English grade.
c)
The fewer books students read, the higher their English grade. 
d)
No relationship exists between the number of books students read and their English grades. 
13.
A trucking company keeps track of the number of miles each of its drivers logs each week.  Describe the correlation between the number of miles a driver logs and the drivers age.
a)
There is a positive correlation.
b)
There is a negative correlation.
c)
There is no correlation.
d)
There is a parallel correlation
14.
a)
14 cm
b)
5.6 cm
c)
10 cm
d)
17.5 cm
15.

Mrs. Collins made a scatterplot to show the relationship between the number of absences and a student’s final exam score. Based on this scatterplot, a student with 12 absences should get approximately what score on the final exam?

a)

60

b)

92

c)

70

d)

76

16.

Which sentence describes the relationship shown on this scatter plot?

a)

As the temperature decreases, the visitors increase.

b)

As the temperature increases, the number of visitors increases.

c)

As the visitors increase, the temperature decreases.

d)

No correlation

17.

Describe the correlation in the graph shown.

a)

Strong Negative

b)

Strong Positive

c)

Weak Negative

d)

Weak Positive

18.
What type of correlation (association)?
The outside temperature and the amount of layers you wear. 
a)
Positive correlation
b)
Negative correlation
c)
No correlation
d)
All of the above
19.
The number of siblings you have and your weight. 
a)
Positive correlation
b)
Negative correlation
c)
No correlation
d)
All of the above
20.
As the age of the car increases, its value decreases. Which scatterplot represents this relationship?
a)
A
b)
B
c)
C
d)
D
21.
The age of a kitten and its weight.
a)
positive association
b)
negative association
c)
no association
22.

What is the age of the tree that is 8 feet tall?

a)

6 Years

b)

7 Years

c)

8 Years

d)

9 Years

23.

How many trees are 3 years old?

a)

1

b)

2

c)

0

d)

3

24.

How many trees are more than 6 feet tall?

a)

5

b)

1

c)

2

d)

4

25.

If a squirrel climbs to the top of each tree that is 6 years old, how far has the squirrel climbed?

a)

2 ft

b)

18 ft

c)

10 ft

d)

11 ft

26.

How much time did the person who visited 3 stores spend shopping online?

a)

2 Hours

b)

10 Hours

c)

4 Hours

d)

3 Hours

27.

Mr. Reynosa plans to shop online for 4 hours for two days in a row. What is a reasonable prediction of how many stores he will visit?

a)

10

b)

8

c)

12

d)

22

28.

Which is a reasonable prediction of a test score for a student who studied for 1/2 hour?

a)

80

b)

100

c)

50

d)

5

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