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UNIT 6 REVIEW

Total questions: 36

Worksheet time: 36mins

Name
Class
Date
1.
Describe the association between the number of lanes rented and the number of people bowling.
a)
Non-linear association
b)
Negative linear association
c)
No association
d)
Positive linear association
2.

Which best describes the form of this scatterplot?

a)

linear

b)

nonlinear

c)

scattered

d)

no correlation

3.
The police department tracked the number of ticket writers and number of tickets issued for the past 8 weeks.  The scatter plot shows the results.  Which statement is true?
a)
More ticket writers results in fewer tickets issued.
b)
There were 50 tickets issued every week.
c)
When there are 10 ticket writers, there will be 800 tickets issued.
d)
More ticket writers results in more tickets issued.
4.
Mr. Thomas wanted to know if the amount of class time that he gave students to study affected their test scores.  What kind of relationship between class study time and test scores is shown on the scatter plot.
a)
No correlation
b)
Positive correlation
c)
Negative correlation
d)
Positive then negative correlation
5.

Describe the association for the graph.

a)

Linear and Positive

b)

Linear and Negative

c)

Non-Linear and Negative

d)

Non-Linear and Positive

e)

Non-Linear and No association

6.

Describe the association for the graph.

a)

Linear and Positive

b)

Linear and Negative

c)

Non-Linear and No Association

d)

Non-Linear and Positive

e)

Non-Linear and Negative

7.

Describe the Association for the graph.

a)

Linear and Negative

b)

Linear and Positive

c)

Non-Linear and No Association

d)

Non-Linear and Positive

e)

Non-Linear and Negative

8.

Describe the association for the graph.

a)

Linear and Positive

b)

Linear and Negative

c)

Non-Linear and Positive

d)

Non-Linear and Negative

e)

Non-Linear and No Association

9.

What type of correlation does this graph have?

a)

Linear and Negative

b)

Non-Linear and No Association

c)

Linear and Positive

d)

Non-Linear and Negative

e)

Non-Linear and Positive

10.

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

d)

negative: the more you run the less distance you jump

11.
Which scatter plot shows a negative relationship?
a)
Graph A
b)
Graph B
c)
Graph C
d)
Graph D
12.
Which scatter plot show a positive relationship?
a)
Graph A
b)
Graph B
c)
Graph C
d)
Graph D
13.

Predict when the club will have no members.

a)

6 years

b)

7 years

c)

8 years

d)

9 years

14.

The scatterplot shows the average selling price of cars and the age of the cars. Based on the graph, approximately what selling price shouild an owner of a 4 year old car expect?

a)

$6,500

b)

$8,500

c)

$10,750

d)

$12,500

15.

Which scatterplot does NOT suggest a linear relationship between x and y?

a)
b)
c)
d)
16.

Based on this scatterplot, approximate what score should a student who attended class 22 days expect to receive on the exam?

a)

84

b)

71

c)

95

d)

75

17.

Is the line a good fit for the data in the scatterplot?

a)

There are an equal number of data points above and below the line, so the line is a good fit.

b)

There are an equal number of data points above and below the line, but the line does not follow the trend, so it is not a good fit.

c)

There is no relationship between x and y, so the line is not a good fit.

d)

There is a non-linear association between the x and y values, so the line is not a good fit.

18.
Which conclusion is best supported by the scatterplot?
a)
As the length of a call increases, the cost of the call increases.
b)
As the length of a call increases, the cost of the call remains the same.
c)
As the length of a call increases, the cost of the call decreases.
d)
There is no relationship between the length of a call and the cost of the call.
19.
The police department tracked the number of ticket writers and number of tickets issued for the past 8 weeks.  The scatter plot shows the results.  Which statement is true?
a)
More ticket writers results in fewer tickets issued.
b)
There were 50 tickets issued every week.
c)
When there are 10 ticket writers, there will be 800 tickets issued.
d)
More ticket writers results in more tickets issued.
20.
identify the outlier
a)
30, 100
b)
100, 30
c)
there is no outlier
21.
In a scatterplot, an outlier...
a)
...is something we didn't learn 8th grade
b)
...is a puppet with a long nose named Pinocchio
c)
...is a point that is far outside the main cluster of points/ordered pairs
d)
...is a really naughty point who doesn't tell the truth when outside
22.

What is the x-variable?

a)

Price of Car in Thousands

b)

Miles per Gallon

c)

Positive Association

d)

Negative Association

23.

What is the y-variable?

a)

Price of Car in Thousands

b)

Miles per Gallon

c)

Positive Association

d)

Negative Association

24.

What type of relationship is represented in the data?

a)

Price of Car in Thousands

b)

Miles per Gallon

c)

Positive Association

d)

Negative Association

25.

How tall a person is and how fast they drive

a)

Positive Correlation

b)

Negative Correlation

c)

No Correlation

26.

A person’s height and a person’s age up to adulthood

a)

Positive Correlation

b)

Negative Correlation

c)

No Correlation

27.

Temperature and number of people wearing jackets

a)

Positive Correlation

b)

Negative Correlation

c)

No Correlation

28.

The amount of time since a movie was released and the amount of tickets sold

a)

Positive Correlation

b)

Negative Correlation

c)

No Correlation

29.
What is the rate of change (unit rate) for the following graph?
a)
80
b)
20
c)
40
d)
160
30.
y = 50x
What is the value of y when x = 0?
a)
y = 0
b)
y = 50
c)
y = 100
d)
y = 1
31.
y = 7x + 49
What is the value of y when x = -12?
a)
y = -12
b)
y = -35
c)
y = -42
d)
y = -49
32.
Slope is know as rise/
a)
run
b)
fall
c)
none
d)
rise
33.
In the equation y=mx+b, what does the m represent?
a)
slope
b)
y-intercept
c)
linear
d)
point-slope
34.
What does 'b" represent in y=mx+b
a)
y-intercept
b)
macaroni
c)
nothing
d)
slope
35.
Find the slope of the line that passes through:
(6,7) and (4,2)
a)
2/5
b)
-5/2
c)
5/2
d)
-1/2
36.
Find the slope of the line that passes through:
(-2, 8) and (0, 8)
a)
0
b)
-2
c)
2
d)
1/2

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