Free Printable ALG Ch. 12 TEST Review

1.

Find B-A

a)

-3 1
7 -1

b)

1 0
1 -4

c)

4 0
-6 0

d)

not possible because rows do not match columns

2.

What are the dimensions of this matrix?

a)

2 x 3

b)

3 x 2

c)

6 x 1

d)

1 x 6

3.

Multiply

a)

20 15 -10
30 -5 0

b)

-20 15 -10
30 -5 0

c)

1 8 3
11 4 5

d)

20 -15 10
-30 5 0

4.

Find A+B

a)

8 10
8 1

b)

12 25
7 1

c)

10 30
0 1

d)

can't add two together because the rows dont match columns

5.

Which interval shows the greatest number of pets?

a)

15-19

b)

0-4

c)

5-9

d)

10-14

6.

How many cities have temperatures between 70 degrees and 99 degrees?

a)

44

b)

34

c)

26

d)

62

7.

What is an interval?

a)

A single number

b)

A range of numbers

c)

A percentage

d)

A total amount

8.

Which interval has 4 students?

a)

56-59

b)

60-63

c)

60-67

d)

48-51

9.

Shape?

a)

Skewed right

b)

Skewed left

c)

Symmetric

d)

Unimodal

10.

What is the shape of this bar graph?

a)

Skew right

b)

Skew left

c)

Symmetrical

d)

uniform

11.

Describe the histogram:

a)

Left Skewed

b)

Normal/Symmetrical

c)

Right Skewed

d)

Uniform/Flat

12.

a)

skewed left

b)

skewed right

c)

symmetrical

13.

The following dot plot is

a)

skewed left

b)

skewed right

c)

symmetrical

14.

The majority of the data is on the right...

a)

skewed left

b)

skewed right

c)

symmetrical

15.

mean = median

a)

skewed left

b)

skewed right

c)

symmetrical

16.

Ms. Moss did a survey of her class about how many books they read over the summer. Using the dot plot, identify the correct statements.

a)

More of her students have read more than 4 books than the number of students who read less than 3 books.

b)

Ms. Moss surveyed 20 students.

c)

Half of the students have read more than 1 book.

d)

Most of the students have read at least 1 book.

17.

What is the MEAN for this data?

a)

80

b)

1040

c)

13

d)

81

18.

Find the median

a)

3

b)

4

c)

5

d)

6

19.

Find the mean

a)

3

b)

4

c)

4.46

d)

5

20.

What was the most common height of the seedlings?

a)

4

b)

2

c)

$\frac{12}{4}$

d)

$\frac{3}{4}$

21.

How many students are in the class?

a)

25

b)

19

c)

10

d)

1

22.

What is the range of hat prices?

a)

$16

b)

$75

c)

$45

d)

$50

23.

The line plot shows the ages of people in a play. What is the mode of this data? (Be sure to select all of the correct answers)

a)

13

b)

18.3

c)

18

d)

16

e)

20

24.

The line plot shows the ages of people in a play. What is the median of this data?

a)

13

b)

18.3

c)

18

d)

16

e)

20

25.

a)

5

b)

7

c)

23

d)

16

26.

How many scores were 26 or below?

a)

10

b)

20

c)

5

d)

25

27.

What is the first number in the cumulative frequency column?

a)

12

b)

30

c)

8

d)

20

28.

What is the missing number in the cumulative frequency column?

a)

19

b)

9

c)

15

d)

22

29.

A clumsy teacher spilled coffee over this table of his students' test results. How many students scored below 18?

a)

4

b)

23

c)

18

d)

19

30.

What is the minimum value?

a)

64

b)

58

c)

66

d)

60

31.

What is the maximum value?

a)

58

b)

66

c)

64

d)

60

32.

What data value is the upper quartile (Q3)?

a)

64

b)

62

c)

66

d)

58

33.

What is the median?

a)

62

b)

58

c)

66

d)

60

34.

Which city has a higher median?

a)

Millersburg

b)

Arcadia

35.

Which best represents the Interquartile Range

a)

15

b)

93

c)

85

d)

78

36.

What is the range of the set of data?

a)

70

b)

65

c)

80

d)

55

37.

Which box and whisker plot shows more "spread out" data?

a)

Top plot

b)

Bottom plot

38.

Which value is in the top 25% of the data?

a)

16

b)

22

c)

29

d)

36

39.

About 50 % of the data values are greater than what value?

a)

12

b)

15

c)

22

d)

31

40.

Which box and whisker plot has the smallest lower quartile (Q1)?

a)

Top plot

b)

Bottom plot

41.

Which plot has a larger interquartile range?

a)

Top plot

b)

Bottom plot

42.

Which class has the highest test score?

a)

1st Period

b)

2nd Period

43.

At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode.
12,10,10,10,13,12,11,13,10

a)

13

b)

12

c)

11

d)

10

44.

Find the median of these numbers:
4,2,7,4,3

a)

2

b)

5

c)

7

d)

4

45.

Identify the outlier for the given data?
23, 34, 27, 7, 30, 26, 28, 31, 34

a)

7

b)

23

c)

31

d)

34

46.

To find the _________ you add up all the numbers and then divide by how many numbers you have.

a)

Mean

b)

Median

c)

Mode

d)

Range

47.

To find the ______ you put all numbers in order from least to greatest and then take the largest number minus the smallest number.

a)

Mean

b)

Median

c)

Mode

d)

Range

48.

To find the ________ you put all numbers in order from least to greatest and find the number that is in the middle.

a)

Mean

b)

Median

c)

Mode

d)

Range

49.

A data set can have more than one mode

a)

True

b)

False

50.

Find the Quartile 1 of these numbers:

2, 3, 4, 5, 5, 5, 7,

a)

4

b)

6

c)

3

d)

5

51.

Find the range of these numbers:

2, 3, 4, 5, 5, 5, 7,

a)

4

b)

6

c)

3

d)

5

52.

Find the Quartile 3 of these numbers:

2, 3, 4, 5, 5, 5, 7,

a)

4

b)

6

c)

3

d)

5

53.

Find the Quartile 3.

5, 5, 9, 12,18, 22, 25,

a)

22

b)

18

c)

25

d)

12

54.

Find the Quartile 1.

5, 5, 9, 12,18, 22, 25,

a)

18

b)

12

c)

9

d)

5

55.

Determine the IQR for this set of data.

(Note: Subtract Quartile 3 and Quartile 1).

a)

240

b)

50

c)

40

d)

230

56.

What is the upper quartile (Q3) of the set of data:

2, 4, 6, 6, 7, 8, 10

a)

2

b)

6

c)

4

d)

8

57.

What is the lower Quartile (Q1) of the set of data:

2, 4, 6, 6, 7, 8, 10

a)

2

b)

6

c)

4

d)

8

58.

What is the lower and upper Quartiles? (Quartile 1 and Quartile 3)

a)

40 and 150

b)

90 and 100

c)

90 and 140

d)

100 and 140

ALG Ch. 12 TEST Review

Total questions: 58

Worksheet time: 5hrs 50mins

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