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CMP3 - Data and Statistics

Total questions: 38

Worksheet time: 1hrs 24mins

Name
Class
Date
1.
What is the mean?
a)
# happening the most
b)
the number in the middle
c)
biggest-smallest
d)
the average
2.
What is the mode?
a)
# happening the most
b)
the average
c)
biggest - smallest
d)
the middle #
3.
What is the definition of the range?
a)
The average
b)
The number that occurs the most
c)
The middle number
d)
The difference of the largest and smallest numbers
4.
A data set can have more than one median?
a)
True
b)
False
5.

Calculate the mean.

2, 9, 10, 6, 8

a)

8

b)

4

c)

7

d)

22

6.
What is the median of this data set?
3 , 17 , 17 , 11 , 8 , 13 , 5 , 18
a)
11
b)
12
c)
13
d)
17
7.
Mode:
67, 74, 95, 98, 98, 99, 102
a)
90.4
b)
35
c)
92
d)
98
8.
Find the range.
5, 15, 10, 20, 15, 10, 15
a)
5
b)
10
c)
15
d)
13
9.
Find the Mean. 
a)
5.8
b)
5
c)
5.6
d)
6
10.
What color car is the least popular at this car dealership?
a)
Red
b)
White
c)
Blue
d)
Green
11.
How many sophomores like burritos and pizza?
a)
6
b)
5
c)
11
d)
50
12.
What is the highest score in the class?
a)
88%
b)
100%
c)
13
d)
98%
13.
How many students scored 93% or less?
a)
6
b)
16
c)
14
d)
13
14.
What type of graph is this?
a)
Bar Graph
b)
Histogram
c)
Line Plot
15.
How many students scored between a 86 and a 90?
a)
1
b)
3
c)
6
d)
10
16.
How many students are between 48 and 51 inches tall?
a)
14
b)
8
c)
2
d)
0
17.
Elise, a supermarket employee, approached 50 random customers and asked whether they would be willing to discuss what they like most about the store.  She interviewed the 22 who said yes.  Is this sample of the supermarket's customers likely to be biased?
a)
yes
b)
no
18.
A school randomly chose ten English teachers and asked them which type of juice their students would prefer. Which reason best shows why this sample is biased?
a)
The sample didn't include students.
b)
The sample is too small.
c)
The sample can only be accurate if each teacher is included in the sample
19.
At a middle school, the 7th graders will conduct a survey for where to go on a field trip. Which method will result in the least biased decision?
a)
to randomly ask 8th grade students who went on a field trip last year
b)
to randomly choose some 7th grade students to select a location
c)
to ask all 7th grade teachers and administrators for a location
d)
to ask the student council to choose a location
20.

I drew 10 names from a hat containing the names of every student that I teach, what type of sample have I taken?

a)

A random sample.

b)

A biased sample.

21.

Which has a higher median?

a)

Florida

b)

Texas

22.

What is Thanksgivings maximum?

a)

30

b)

15

c)

22

d)

24

23.

Which has a lower IQR? (Interquartile Range)

a)

Week 1

b)

Week 2

24.
Which box and whisker plot has the smallest lower quartile?
a)
Top plot
b)
Bottom plot
25.
Which box and whisker plot shows more "spread out" data?
a)
Top plot
b)
Bottom plot
26.

How do you find the IQR (Interquartile range)?

a)

add the five number summary

b)

subtract the median from the maximum

c)

subtract the minimum from the maximum

d)

subtract quartile 1 from quartile 3

27.

The "box" contains ALL of the following EXCEPT...

a)

Maximum

b)

Quartile 1

c)

Quartile 3

d)

Median

28.

How many students sent between 10 and 19 text?

a)

25

b)

22

c)

15

d)

45

29.

Which interval contained the fewest scores?

a)

0-9

b)

50-59

c)

both 0-9 and 50-59

d)

10-19

30.

How many vehicles get less than 17 miles per gallon?

a)

20

b)

15

c)

14

d)

25

31.

What percent of female athletes surveyed play basketball?

a)

16%

b)

52%

c)

23%

d)

31%

32.

What percent of basketball players are female?

a)

16%

b)

52%

c)

31%

d)

36%

33.

How many athletes were surveyed in all?

a)

50

b)

150

c)

100

d)

200

34.

What is the range (maximum-minimum) of the data shown?

a)

85

b)

90

c)

80

d)

70

35.
How many people have four books in their desks?
a)
2
b)
3
c)
4
d)
5
36.
What group ate the most pie?
a)
1/2
b)
5/8
c)
1
d)
3/8
37.

Which box plot represents the data below?


90, 91, 93, 93, 95, 96, 98, 99, 101, 110, 112, 113, 123, 125, 126

a)
b)
c)
d)
38.

The data shows the heights of students in a class. Which box plot is correct?

a)

A

b)

B

c)

C

d)

D

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