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Algebra Review for Ch. 12 & 4

Total questions: 100

Worksheet time: 3hrs 13mins

Name
Class
Date
1.

Jeff has four grades from tests and IXL. They are all weighted equally. If Jeff's grades are 100, 96, 96, and 100, what Jeff's current average grade?

a)

96

b)

97

c)

98

d)

100

2.

Below is the data for the number of FaceTime Calls the girls in our class made / received:

2, 3, 3, 4, 5, 7, 8, 8, 8, 10, 10, 12

What are the 1st and 3rd quartiles of the data?

a)

2, 12

b)

4.5, 8

c)

3, 10

d)

3.5, 9

3.

What is a measure of center? (Select ALL that apply.)

a)

Mean

b)

Median

c)

Mode

d)

Outlier

e)

Range

4.

Below is the data for the number of FaceTime Calls the girls in our class made / received:

2, 3, 3, 4, 5, 7, 8, 8, 8, 10, 10, 12

What is the interquartile range?

a)

10

b)

7

c)

7.5

d)

5.5

5.

What is another word for AVERAGE?

a)

Mode

b)

Median

c)

Mean

d)

Not nice

6.

What is the median of the number of movies?

a)

21.5

b)

22

c)

23.5

d)

25

7.

Which measure of center represents the data that occurs the most?

a)

Mode

b)

Median

c)

Mean

d)

Outlier

8.

What is the mean absolute deviation of the data: 10, 17, 20, 12, and 16? Round to the nearest whole number.

a)

15

b)

5

c)

3

d)

2

9.

Which measure of center represents the value in the middle of the data set?

a)

Mode

b)

Median

c)

Mean

d)

IQR

10.

What is the mean of the data? Round to the nearest tenth.

a)

4.5

b)

5

c)

5.2

d)

5.7

11.

What is the median of the data?

a)

10

b)

9

c)

6

d)

3

12.

What is the mode of the data?

a)

10

b)

8

c)

6

d)

3

13.

What term identifies a data point that is away from the cluster of the other points in the data set?

a)

Range

b)

Outlier

c)

Interquartile Range

d)

Quartile 1

e)

Median

14.

What statistical term is an AVERAGE of the Average... or the MEAN of the mean?

a)

Mean Absolute Deviation

b)

Interquartile Range

c)

Range

d)

Absolute Value

e)

Outlier

15.

Bobby mowed 7 lawns. He earned $10, $15, $12, $15, $8 and $15 for SIX lawns. How much did he earn the seventh time if the mean of the data is $12?

a)

$9

b)

$10

c)

$12

d)

$15

16.

What is the outlier in the following data?

11, 19, 17, 8, 37, 11, 19, 16, 22

a)

37

b)

8

c)

11

d)

22

17.
If there is an even number of data in the data set how do you find the median?
a)
order the data and find the middle value
b)
order the data add the 2 middle values and divide by 2
18.

33, 25, 42, 25, 31, 37, 46, 29, 38

What is the Q3 of the data?

a)

37

b)

38

c)

42

d)

46

19.
What is the minimum in this data set?
a)
0
b)
4
c)
9
d)
40
20.

Which is not part of the 5 number summary?

a)

median

b)

Q3

c)

Maximum

d)

mean

21.
The heights of some students are given.
158cm     172cm      164cm
164cm     167cm      159cm
 What is the range of the heights?
a)
13 cm
b)
330 cm
c)
164 cm
d)
14 cm
22.
a)
A
b)
B
c)
C
d)
D
23.
Which car club has the higher median?
a)
Cruisers
b)
Car Hops
24.
What is the IQR of the Cruisers?
a)
4
b)
6
25.

What percent of students have a height between 58 inches and 60 inches?

a)

25%

b)

50%

c)

75%

d)

100%

26.
Identify the outlier for the given data?
23, 34, 27, 7, 30, 26, 28, 31, 34
a)
7
b)
23
c)
31
d)
34
27.
Which of the following lists all parts of the five number summary?
a)
Mean, Median, Mode, Range, and Total
b)
Minimum, Quartile 1, Median, Quartile 3, and Maximum 
c)
Smallest, Q1, Q2, Q3, and Q4
d)
Minimum, Maximum, Range, Mean, and Median
28.
How many students got a perfect score on the test?
a)
0
b)
2
c)
6
d)
1
29.
What is the first step when calculating the Mean Absolute Deviation?
a)
Find the distance each value is from the mean
b)
Find the mean of the distances
c)
Find the mean of the data
30.
What is the second step when calculating the Mean Absolute Deviation?
a)
Find the distance each value is from the mean
b)
Find the mean of the distances
c)
Find the mean of the data
31.
Find the Mean Absolute Deviation:  10, 9, 3, 8, 10.  The Mean is 8
a)
3
b)
5
c)
1
d)
2
32.
Which mean absolute deviation would have a greater variability or spread?  4.2 or 8.5?
a)
4.2
b)
8.5
33.
Which mean absolute deviation would be more consistent? 4.2 or 8.5?
a)
4.2
b)
8.5
34.
True or false? :The larger the Mean Absolute Deviation the more consistent the data is.
a)
True
b)
False
35.
Which dot plot shows more consistency? a or b?
a)
a
b)
b
36.
Which dot plot shows more variability? a or b?
a)
a
b)
b
37.
True or false?:The absolute value of a number will always be positive.
a)
True
b)
False
38.
Find the MAD for the following set: 65, 90, 85, 70, 70, 95, 55
a)
12.24
b)
75.7
c)
85.7
d)
40
39.

True or False: You can have negative numbers in Mean Absolute Deviation.

a)

True

b)

False

40.

What is the standard deviation for the data given:

5, 10, 7, 12, 0, 20, 15, 22, 8, 2

a)

6.89

b)

10.1

c)

7.26

d)

9

41.

What is the standard deviation for the data given:

5, 10, 7, 12, 0, 20, 15, 22, 8, 2

a)

6.89

b)

10.1

c)

7.26

d)

9

42.
This data is normally distributed.  What percent of the data is in the shaded region?
a)
68%
b)
95%
c)
99.7%
d)
50%
43.
What does this symbol represent?
a)
Standard Deviation
b)
Variance
c)
Mean Absolute Deviation
d)
Sigma
44.
Find the median of these numbers:
4, 2, 7, 4, 3
a)
2
b)
5
c)
7
d)
4
45.
What is the median?
a)
biggest- smallest
b)
average
c)
the middle #
d)
# that happens the most
46.
Describe the histogram:
a)
Left Skewed
b)
Symmetrical
c)
Right Skewed
d)
Uniform
47.
Describe the shape of the graph.
a)
Skewed right
b)
Skewed left
c)
Uniform
d)
Symmetrical
48.
How many people have two or less books in their desk?
a)
4
b)
5
c)
6
d)
7
49.
Describe the shape of the graph.
a)
Skewed right
b)
Skewed left
c)
Uniform
d)
Symmetrical
50.
Describe the histogram:
a)
Left Skewed
b)
Normal/Symmetrical
c)
Right Skewed
d)
Uniform/Flat
51.
Which is the correct data set for the dot plot?
a)
1, 2, 3, 4, 5, 6, 7, 8, 9, 
b)
1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 7, 9
c)
1, 2, 3, 4, 5, 7, 9
52.
Where is the gap?
a)
Between 0 and 5
b)
Between 6 and 7 students
c)
Between 8 and 12 
d)
13 students
53.

This data is

a)

symmetrical

b)

skewed right

c)

skewed left

54.
How would you describe this distribution?
a)
Left skewed
b)
Flat/Uniform
c)
Right Skewed
d)
Normal/Symmetrical
55.
How many students received a score of 94%? 
a)
94
b)
4
c)
1
d)
2
56.
What is the highest score in the class?
a)
88%
b)
100%
c)
13
d)
98%
57.
What is the shape of the distribution?
a)
Skewed Left 
b)
Skewed Right
c)
Symmetric
d)
Bimodal
58.

What type of distribution is shown?

a)

symmetrical

b)

skewed left

c)

skewed right

d)

uniform

59.

What type of distribution is shown in the bar graph?

a)

symmetric

b)

skewed right

c)

skewed left

d)

uniform

60.

What type of distribution is shown in the bar graph?

a)

skewed left

b)

uniform

c)

skewed right

d)

symmetrical

61.
What is the range of the data shown?
a)
85
b)
90
c)
80
d)
70
62.
Which box and whisker plot has the highest median?
a)
Top plot
b)
Bottom plot
63.
7. What is Millersburg's Q3 value?
a)
200
b)
260
c)
220
d)
140
64.
What is the interquartile range for the Checkers Club?
a)
4
b)
5
c)
10
d)
11
65.
Which data set shows a greater spread?
a)
Chess Club
b)
Checkers Club
c)
They have the same spread.
d)
You cannot tell from the box plots. 
66.

The box plots shown are...

a)

symmetric

b)

not symmetric

67.
The second quartile is the same as the __________________ .
a)
mean
b)
mode
c)
range
d)
median
68.
The IQR is a measure of __________________ .
a)
center
b)
variation
c)
quartiles
d)
range
69.
The range is found by _________________ .
a)
adding the quartiles
b)
subtracting the quartiles
c)
subtracting the maximum value minus the minimum value
d)
the golf course
70.
Mean Absolute Deviation is a measure of _________________________ .
a)
central tendency
b)
variation
c)
average 
d)
anger
71.

What type of correlation does this graph have?

a)

Negative

b)

no association

c)

positive

72.

What type of correlation does this graph have?

a)

positive

b)

negative

c)

none

d)

all of the above

73.

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

74.

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

75.

Describe the correlation in the graph shown.

a)

Strong Negative

b)

Strong Positive

c)

Weak Negative

d)

Weak Positive

76.

What type of correlation does this scatter plot show?

a)

positive

b)

negative

c)

no correlation

d)

nonlinear association

77.

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 6 absences should get approximately what score on the final exam?

a)

85

b)

92

c)

70

d)

76

78.

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

79.

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

80.

Describe the correlation in the graph shown.

a)

Strong Negative

b)

Strong Positive

c)

Weak Negative

d)

Weak Positive

81.

Which scatter plot show a positive relationship?

a)

Graph A

b)

Graph B

c)

Graph C

d)

Graph D

82.
Scatter plots show trends in data.
a)
True
b)
False
83.
What type of correlation is shown in this plot?
a)
Positive
b)
Negative
c)
No Correlation
84.

How many total did not attend the school play?

a)

63

b)

15

c)

78

d)

221

85.

How many attended the basketball game but did not attend the school play?

a)

63

b)

55

c)

118

d)

88

86.

What would you divide to find the relative frequencies by column? (Select all that apply.)

a)

55/118

b)

55/143

c)

88/103

d)

88/143

87.

What would you divide to find the relative frequencies by row? (Select all that apply.)

a)

55/118

b)

55/143

c)

88/103

d)

88/143

88.

What percent of people who attended the basketball game also attended the school play?

a)

38%

b)

47%

c)

25%

d)

54%

89.

What percent of the total people attended neither?

a)

15%

b)

19%

c)

.15

d)

7%

90.

What number should go in the blue box?

a)

21

b)

135

c)

19

d)

22

91.

How many total have no cell phone?

a)

13

b)

9

c)

22

d)

100

92.

How many total have an MP3 player?

a)

13

b)

57

c)

70

d)

100

93.

How many total people were surveyed?

a)

78

b)

22

c)

70

d)

100

94.
What percentage of the students have brown hair?
a)
25%
b)
60%
c)
45%
d)
50%
95.
What percentage of girls have blonde hair?
a)
30%
b)
32%
c)
29%
d)
40%
96.
What percentage of SUV's are driven by women?
a)
56.25%
b)
75%
c)
83.25%
d)
86.5%
97.
What percentage of males drive sports cars?
a)
35%
b)
16.25%
c)
65%
d)
25%
98.
A survey explored the relationship between gender and band class. Which is a reasonable conclusion?
a)
There are more band members than non-band members
b)
There are more boys in the class than girls
c)
There are more boys in band than not in band
d)
More than half of the bands members in the class are girls
99.
Which age group liked Action movies the least?
a)
18-25
b)
25-49
c)
50+
d)
238
100.
How many people purchased no food and no drink?
a)
60
b)
10
c)
20
d)
200

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