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Scatter Plots and Trend Lines

Total questions: 12

Worksheet time: 39mins

Name
Class
Date
1.

What type of correlation does this graph have?

a)

positive

b)

negative

c)

none

d)

all of the above

2.

Which scatter plot show a positive relationship?

a)

Graph A

b)

Graph B

c)

Graph C

d)

Graph D

3.

What type of correlation does this scatter plot show?

a)

positive

b)

negative

c)

no correlation

d)

nonlinear association

4.

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

5.
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
6.
The number of siblings you have and your weight. 
a)
Positive correlation
b)
Negative correlation
c)
No correlation
d)
All of the above
7.
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
8.

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 pages would be in a book with 19 chapters.

a)

150 pages

b)

170 pages

c)

190 pages

d)

210 pages

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.
Which equation best represents the data?
a)
A.  y= -3/5x + 2
b)
B  y = 5/3x -2 
c)
C  y = -3/5x - 2
d)
D  y= 5/3x + 2
11.
Which equation best represents the data?
a)
A  y = 2x + 2
b)
B  y= 1/2x - 2
c)
C  y = -2x + 2
d)
D  y = -1/2x + 2
12.
Which equation best represents the data?
a)
A  y = x + 2
b)
B  y = -x + 2
c)
C  y = x - 2
d)
D  y = -x - 2