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Data Analysis

Total questions: 144

Worksheet time: 34hrs 23mins

Name
Class
Date
1.

Which statement is NOT true about the data in the stem-and-leaf plot?

a)

Seven students read less than 10 books.

b)

The most number of books read by any student was 31.

c)

12% of the students read exactly 10 books.

d)

75% of the students read more than 10 books.

2.

Which statement is NOT true about the histogram?

a)

The polar bears scored 6 or 7 goals in 1 game.

b)

The polar bears scored 2 or 3 goals in 5 games.

c)

The polar bears scored 4 or 5 goals in 2 games.

d)

The polar bears played 16 hockey games last season.

3.

which statement is TRUE based on the data in the stem-and-leaf plot?

a)

The range in the bushels per ace is 65 bushels.

b)

The median number of bushels per acre is 51.5 bushels.

c)

The mode number of bushels is 46 bushels.

d)

More farmers harvested less than 50 bushels than the number of farmers who harvested more than 50 bushels.

4.

The dot plot shows the number of brothers and sisters twenty-one sixth graders have. Which statment is TRUE based on the data in the dot plot?

a)

Four students had no brothers or sisters.

b)

One student had 5 brothers and sisters.

c)

Twice as many students had 3 brothers and sisters as students who had 1 brother or sister.

d)

Exactly two students had more than 4 brothers and sister.

5.

What is the interquartile range (IQR) of the data shown in the box plot above?

a)

69

b)

8

c)

4

d)

73

6.

Over 5 days this week, Silvia walked 3 miles, 5 miles, 3 miles, 4 miles, and 6 miles. What is the mean number of miles Silivia walked each day?

a)

4 miles

b)

3.5 miles

c)

4.2 miles

d)

4.5 miles

7.

The ages (in years) of the participants in a piano recital are 10, 12, 9, 13, 10, and 11. What is the mean age of the participants?

a)

10

b)

11

c)

10.8

d)

11.5

8.

Which relative frequency table represents the data in the bar graph?

a)
b)
c)
d)
9.

Which statement is NOT true based on the histogram?

a)

The median temperature was in the interval of 30°F - 33°F

b)

The highest temperature was in the interval of 38°F - 41°F

c)

Fifteen days in January the temperature was between 30°F - 33°F

d)

The lowest temperature was in the interval of 26°F - 29°F

10.

Which set of the data has a median of 15?

a)

3, 9, 6, 15, 14, 12, 11

b)

21, 12, 15, 17, 6, 4, 19

c)

18, 16, 15, 16, 12, 10

d)

12, 13, 20, 24, 27, 15, 20

11.
How many more people have purple for a favorite color than red?
a)
3
b)
5
c)
7
d)
9
12.
 How many families are represented in the line plot?
a)
5
b)
6
c)
17
d)
18
13.
What month has the least birthdays ?
a)
Dec
b)
Aug
c)
Jan
d)
Sep
14.
How many people have four books in their desks?
a)
2
b)
3
c)
4
d)
5
15.
How many people have two or less books in their desk?
a)
4
b)
5
c)
6
d)
7
16.
How many students take the train and walk to school combined? 
a)
40
b)
20
c)
25
d)
60
17.
How many total votes were collected?
a)
5
b)
10
c)
15
d)
20
18.
How many more students played soccer than football?
a)
3
b)
30
c)
6
d)
60
19.
What was the difference between the cars sold on Monday and Tuesday than the cars sold on Friday and Saturday
a)
1
b)
2
c)
3
d)
4
20.
How many octopus and starfish do they have at the Seaview Aquarium?
a)
40
b)
45
c)
50
d)
55
21.
Which two animals combine to equal 60?
a)
seahorse and octopus
b)
jellyfish and starfish
c)
octopus and jellyfish
d)
starfish and seahorse
22.
How many kilograms of candy did Rachel get?
a)
4
b)
8
c)
32
d)
40
23.
In how many games did the team score more than 20 points?
a)
8
b)
7
c)
10
d)
9
24.
What is the highest quiz grade in the stem and leaf plot?
a)
9
b)
26
c)
92
d)
96
25.

How many students scored between 95 and 100?

a)

10

b)

6

c)

9

d)

14

26.

How many scores are listed in this Stem and Leaf Plot?

a)

3

b)

6

c)

9

d)

18

27.

How many bags had exactly 55 orange candies?

a)

4

b)

10

c)

7

d)

8

28.
In how many games did the team score fewer than 10 points?
a)
3
b)
5
c)
4
d)
6
29.
How many games did the team play?
a)
15
b)
12
c)
24
d)
14
30.
How many total students are in the science class?
a)
13
b)
6
c)
27
d)
25
31.
What is the difference between the highest score and the lowest score on the test?
a)
15
b)
100
c)
6
d)
10
32.
How many more blue cars are there than green SUVs?
a)
35
b)
45
c)
25
d)
30
33.
Each dot represents 1 day. How many days were recorded?
a)
9
b)
21
c)
20
d)
105
34.
How many sophomores like burritos and pizza?
a)
6
b)
5
c)
11
d)
50
35.
How many trouts weighed MORE THAN 450 grams?
a)
8
b)
14
c)
11
d)
10
36.
What was the day with the least amount of cars sold? 
a)
Monday
b)
Tuesday
c)
Wednesday
d)
Thursday
37.

What color CAR is the least popular at this car dealership?

a)

Red

b)

White

c)

Blue

d)

Green

38.

When the median is more than the mean this results in a negative (left) skew

a)

true

b)

false

39.

When the median is more than the mean this results in a positive skew

a)

false

b)

true

40.

When the mean is less than the mode this leads to a ...

a)

positive skew

b)

negative skew

41.

When mode is more than median this leads to a

a)

negative skew

b)

positive skew

42.
Shape?
a)
Skewed right
b)
Skewed left
c)
Symmetric
d)
Unimodal
43.
A data set can have more than one median?
a)
True
b)
False
44.

What is the shape of this bar graph?

a)

Skew right

b)

Skew left

c)

Symmetrical

d)

uniform

45.
Describe the histogram:
a)
Left Skewed
b)
Normal/Symmetrical
c)
Right Skewed
d)
Uniform/Flat
46.
a)

skewed left

b)

skewed right

c)

symmetrical

47.
The shape of the data is skewed left.
a)
TRUE
b)
FALSE
48.
What is the interquartile range?
a)
4
b)
6
c)
2
d)
8
49.

Describe the shape of Daniel's data

a)

skewed left

b)

skewed right

c)

symmetrical

50.
The shape of the data is skewed left.
a)
TRUE
b)
FALSE
51.

What is the shape of the data for Lucy's Steakhouse?

a)

skewed left

b)

skewed right

c)

symmetrical

52.

What is the box plot?

a)

skewed left

b)

skewed right

c)

symmetrical

53.

The following dot plot is

a)

skewed left

b)

skewed right

c)

symmetrical

54.

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

a)

skewed left

b)

skewed right

c)

symmetrical

55.

The following dot plot

a)

skewed left

b)

skewed right

c)

symmetrical

56.

mean = median

a)

skewed left

b)

skewed right

c)

symmetrical

57.

the mean is less than the median

a)

skewed left

b)

skewed right

c)

symmetrical

58.
What is the minimum value?
a)
64
b)
58
c)
66
d)
60
59.
What is the maximum value?
a)
58
b)
66
c)
64
d)
60
60.
What data value is the upper quartile (Q3)?
a)
64
b)
62
c)
66
d)
58
61.
Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is Roger's median score?
a)
127
b)
155
c)
156
d)
193
62.
What value is the lower quartile?
a)
66
b)
58
c)
60
d)
64
63.
What is the median?
a)
62
b)
58
c)
66
d)
60
64.
What is the interquartile range (IQR)?
a)
4
b)
64
c)
60
d)
8
65.
Which box and whisker plot has the highest median?
a)
Top plot
b)
Bottom plot
66.
What is the term for the median of the lower half of the data?
a)
Lower Quartile
b)
Upper Quartile
c)
Median
d)
Maximum
67.
What is the term for the median of the upper half of the data?
a)
Upper Quartile
b)
Lower Quartile
c)
Median
d)
Minimum
68.
What is the median of the data?
a)
200
b)
100
c)
90
d)
140
69.

Which has a higher median?

a)

Florida

b)

Texas

70.

Which has a lower median?

a)

Florida

b)

Texas

71.

Which has a lower IQR? (Interquartile Range)

a)

Florida

b)

Texas

72.

What is Florida's median?

a)

10

b)

15

c)

12

d)

18

73.

Which has the higher median?

a)

Thanksgiving

b)

New Years Eve

74.

What is Thanksgivings maximum?

a)

30

b)

15

c)

22

d)

24

75.

Which has a greater median?

a)

Week 1

b)

Week 2

76.

Which has a lower IQR? (Interquartile Range)

a)

Week 1

b)

Week 2

77.

True or False: Week 2 median is the same as Week 1 Q3

a)

False

b)

True

78.

Which has a higher median?

a)

6th graders

b)

4th graders

79.

Which has a greater IQR? (Interquartile Range)

a)

6th graders

b)

4th graders

80.

Which has a lower IQR? (Interquartile Range)

a)

6th graders

b)

4th graders

81.
Which box and whisker plot has the smallest lower quartile?
a)
Top plot
b)
Bottom plot
82.
How many students were greater than or equal to 60 inches tall?
a)
21
b)
11
c)
17
d)
6
83.
Which interval shows the greatest number of pets?
a)
15-19
b)
0-4
c)
5-9
d)
10-14
84.
How many cities have temperatures between 70 degrees and 99 degrees?
a)
44
b)
34
c)
26
d)
62
85.
What is an interval?
a)
A single number
b)
A range of numbers
c)
A percentage
d)
A total amount
86.
21. How many students are represented by the histogram?  
a)
Cannot be determined
b)
9
c)
31
d)
35
87.
How many students scored between a 86 and a 90?
a)
1
b)
3
c)
6
d)
10
88.
How many students are between 48 and 51 inches tall?
a)
14
b)
8
c)
2
d)
0
89.
How many students are between 60 and 63 inches tall?
a)
3
b)
0
c)
12
d)
7
90.
How many people watched more than 25 hours of TV last week?
a)
0
b)
10
c)
38
d)
42
91.
Which interval has 4 students?
a)
56-59
b)
60-63
c)
60-67
d)
48-51
92.
How many men had finishing times between 60 and 64 minutes?
a)
9
b)
0
c)
7
d)
5
93.

What is the range in gas mileage for SUVs?

a)

2

b)

3

c)

4

d)

6

94.

What is the median gas mileage for SUV's?

a)

19

b)

20

c)

21

95.

Are these dot plots symmetric?

a)

Yes

b)

No

96.

What is the mode?

a)

88%

b)

89%

c)

97%

d)

91%

97.

What shape is the data shown in the dot plot?

a)

symmetrical

b)

skewed left

c)

skewed right

98.

What is the range of the data shown?

a)

85

b)

90

c)

80

d)

70

99.

Which statement correctly describes the shapes of the dot plots for cars and SUVs?

a)

SUVs: symmetrical

Cars: skewed left

b)

Both are skewed left

c)

Both are symmetrical

d)

SUVs: skewed right

Cars: Skewed left

100.

What is the difference between the medians for cars and SUVs?

a)

0

b)

5

c)

7

101.
What is the MEAN for this data?
a)
80
b)
1040
c)
13
d)
81
102.
How many students spent 7 hours doing homework that week?
a)
1
b)
3
c)
5
d)
6
103.
How many students have 0 Brothers and Sisters? 
a)
6 students
b)
0 students
c)
12 students
d)
10 students
104.

How many students have 12 Brothers and Sisters?

a)

4 students

b)

7 students

c)

0 students

d)

1 student

105.

What is true about the data in this bar graph?

a)

In this perfectly symmetrical distribution, the mean, median, and mode are the same.

b)

The mean, median, and mode are different.

c)

There are several outliers in the set of data that makes this bar graph.

d)

The data is unevenly distributed - therefore, the mean, median, and mode are are all over the place.

106.

What is true about the histogram?

a)

The tallest black cherry trees are between 85 and 90 feet in height. The data is not symmetrical. The range is 90 - 60 = 30 feet.

b)

The heights of the trees are distributed symmetrically.

c)

There is an outlier of 90 feet. The range is 10 - 0 = 10.

d)

The tallest black cherry trees are between 75 and 80 feet in height and the data is symmetrical. The outlier is 60 feet.

107.
Which number represents the mode?  8,10,12,14,16,18,20,16
a)
10
b)
16
c)
no mode
d)
18
108.
Which number represents the median?  45,61,48,56,52,58,46
a)
48
b)
56
c)
52
d)
46
109.
To find the mean (average) of a set of numbers, add up all the items and divide by...
a)
2
b)
The minimum
c)
The maximum
d)
The number of items
110.
Dr. Brown is a dentist. He needs to report on the mean (average) number of cavities that his patients have.
1,0,1,5,6,3,4
a)
3.33
b)
2.85
c)
3
d)
3.5
111.
What is the range in this set of numbers:
7, 14, 22, 3, 7, 14, 2, 14, 7
a)
7
b)
20
c)
18
d)
none of the above
112.
What do you need to do FIRST to the data set?
a)
leave them like they are
b)
order the data set from least to greatest
c)
order the data set from greatest to least
113.

What percentage of students are 52-55 inches tall and 60-63 inches tall? (How many students fall into those categories out of all students combined?)

a)

60%

b)

50%

c)

5%

d)

100%

114.
Which data display best displays the following:
least value, greatest value, median, lower quartile, upper quartile?
a)
Box and Whisker
b)
Line Graph
c)
Histogram
d)
Stem and Leaf
115.
Which city shows the lower IQR?
a)
City A
b)
City B
116.
What is the mean of the scores?
a)
17.5
b)
29.5
c)
19
d)
18
117.

What is the range of this data? Is the display symmetrical?

a)

20; no

b)

20; yes

c)

40; yes

d)

40; no

118.
Which type of degree takes about two years to earn attending college full time?
a)
Doctoral or Professional Degree
b)
Associate's Degree
c)
Master's Degree
d)
Bachelor's Degree
119.
A payment option that allows you to work on campus at your college and earn money is called what type of payment option?
a)
scholarship
b)
loan
c)
pell grant
d)
work-study program
120.
The Table above shows the points scored by the JV basketball team in their first seven games. Calculate the mean, median, mode and range. Which statistical measure makes the team sound the best?
a)
Mean
b)
Median
c)
Mode
d)
Range
121.
Which class has the higher test score median? 
a)
Class #1
b)
Class # 2 
c)
The medians are equal
d)
The median is not shown here. 
122.
Which class was more consistent in their Algebra Scores?
a)
Class #2
b)
Class #1
c)
Both classes had the same consistency.
d)
50%
123.
Paulo got these grades in three tests: 72, 80 and 82. He had one more test to take. He wanted an average of 80 for the four tests. What mark must he get in the fourth test?
a)
80
b)
234
c)
It is not possible for him to get an 80 average
d)
86
124.
Mrs. Rosenblatt's class has an average grade of 87. Later on she realizes she left out Joe's score. His grade was a 65. The new mean will ,....
a)
increase
b)
decrease
c)
stay the same
125.
Ms. Rork's class had a range of test grades from 78 to 97. She forgot to add in a student who got an 80% on the test. How will this affect the range?
a)
Increase
b)
Decrease
c)
Stay the Same
126.
The mode score on the 6th grade math test was 94! Which of these interpretations MUST be correct?
a)
94 was the highest score on the test.
b)
More students received a 94 than any other score
c)
No student scored below a 94
d)
A score of 91 was slightly below average.
127.
The double line plot shows the number of students who attended the home games of the baseball team for two recent seasons.  Which of the following statements is NOT true.
a)
The median attendance for 2009 was less than the median attendance than 2010.
b)
The attendance for 2010 was more consistent, so the MAD would be smaller than the MAD for 2009.
c)
The attendance for 2009 was more consistent, so the MAD would be smaller than the MAD for 2010.
d)
The attendance for 2010 ranged from 20-27.
128.
For which group of data does the mean equal the mode?
a)
4, 5, 5, 8
b)
4, 4, 6, 6
c)
4, 5, 6, 6
d)
4, 5, 5, 6
129.
I asked the entire class: How did everyone get to school?
a)
Variability
b)
No Variability 
130.
I asked the entire class: What was the highest point total James Harden has last week?
a)
Variability
b)
No Variability 
131.
I asked the entire class: How many feet are in a mile?
a)
Variability
b)
No Variability 
132.
I asked the entire class: How many times did you brush your teeth this week?
a)
Variability
b)
No Variability 
133.
I asked the entire class: How many state names start with the letter T?
a)
Variability
b)
No Variability 
134.
I asked the entire class: How many pets does each student have?
a)
Variability
b)
No Variability 
135.
I asked the entire class: How tall are the students in a class?
a)
Variability
b)
No Variability 
136.
I asked the entire class: How grams of sugar are in a 12- ounce can of Dr. Pepper?
a)
Variability
b)
No Variability 
137.
What is the relative frequency of students speaking Arabic?
a)
32%
b)
24%
c)
10%
d)
2%
138.
What is the relative frequency of students speaking Spanish?
a)
16%
b)
12%
c)
24%
d)
48%
139.
What is the relative frequency of students speaking German?
a)
7%
b)
1%
c)
100%
d)
12%
140.
What is the relative frequency of students speaking Vietnamese?
a)
8%
b)
100%
c)
4%
d)
16%
141.
Which percent bar graph best represents the data from your table?
a)
a
b)
b
c)
c
d)
d
142.
What is the total number of animals at the refuge?
a)
20
b)
25
c)
50
d)
100
143.
What is the relative frequency of cheetahs at the refuge?
a)
25%
b)
20%
c)
16%
d)
100%
144.
What is the relative frequency of lions at the refuge?
a)
40%
b)
45%
c)
35%
d)
100%

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