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Histograms , Frequency tables , Measures of Central tendency

Total questions: 41

Worksheet time: 1hrs 5mins

Name
Class
Date
1.
If you score 76, 85, 97, and 83 on your math tests, what would your median score be? 
a)
84
b)
90
c)
85
d)
88
2.
Find the mean of these numbers:
5, 11, 2, 12, 4, 2
a)
4.1
b)
6
c)
4.5
d)
4
3.
The salary of the employees in the office were $15,000; $18,000; $16,000; $14,000; $90,000; and $17,000.  What is the best measure of the central tendency of the salaries?
a)
Mean
b)
Median
c)
Mode
d)
Range
4.
The salary of the employees in the office were $15,000; $18,000; $16,000; $14,000; $90,000; and $17,000.  What is the best measure of the central tendency of the salaries?
a)
Mean
b)
Median
c)
Mode
d)
Range
5.
Which interval has the greatest number of employees?
a)
11-21
b)
33-43
c)
77-87
d)
44-54
6.

Which interval has the greatest number of students?
a)
48-51
b)
56-59
c)
60-63
d)
64-67
7.
How many people watched more than 6 hours of TV?
a)
10
b)
5
c)
20
d)
17
8.
How many employees have a salary less than $22,000?
a)
50
b)
350
c)
0
d)
10
9.
How many people watched less than 11 hours of TV last week?
a)
48
b)
90
c)
20
d)
65
10.
Is this an example of a histogram?
a)
yes
b)
no
11.
How many students were greater than or equal to 60 inches tall?
a)
21
b)
11
c)
17
d)
6
12.
Is a histogram the same as a bar graph?
a)
Yes, because they both use intervals.
b)
No, because a histogram displays numerical data while a bar graph displays categorical data.
c)
Yes, because they both use bars to display data.
d)
No, because a histogram displays categorical data while a bar graph displays numerical data.
13.
What is an interval?
a)
A single number
b)
A range of numbers
c)
A percentage
d)
A total amount
14.
How many more people like drama than sci-fi movies?
a)
12
b)
1
c)
13
d)
10
15.

How many mountain bikes were sold?

a)

22

b)

16

c)

28

d)

6

16.

According to this graph, what is the most popular flavor of Jolly Rancher?

a)

Cherry (Red)

b)

Blue Raspberry (Blue)

c)

Grape (Purple)

d)

Apple (Green)

17.

This data represent the number of hours Mira spent her 24 hours on Monday. Which activity does Mira do more?

a)

School

b)

Play

c)

Sleep

d)

Others

18.

Did the students voted more Languages or Art as their favorite Subject?

(a)  

19.

What is the angle sector for choosing dog as favorite pet?

a)

180°

b)

72°

c)

108°

d)

4°

20.

What is the angle sector for Other subjects?

(a)  

21.

Which room had the second most votes

(a)  

22.

How many students like Vanilla and Chocolate?

a)

8

b)

30

c)

32

d)

28

23.

What is the angle sector for Other subjects?

(a)  

24.
What type of graph is this?
a)
Bar Graph
b)
Line Plot
c)
Pictograph
d)
Tally Chart
25.

From pie chart A to pie chart B, one person has switched from playing Tennis to playing Squash.


How many people play Badminton?

a)

9

b)

8

c)

72

d)

18

26.

The pie chart shows the colours of 32 beads. How many green beads are there?

a)

90

b)

8

c)

11

d)

9

27.

What angle would you use to represent 42 blue cars out of 60 cars in total on a pie chart?

a)

42 degrees

b)

252 degrees

c)

6 degrees

d)

210 degrees

28.

What is the class boundaries for the class interval 24–30

a)

24.1- 30.1

b)

23.5–30.5

c)

22 - 31

d)

23.6-30.5

29.

By means of the frequency table above, find the class boundaries for the fifth class

a)

4995 - 599.5

b)

599.5 - 699.5

c)

700-799

d)

699.5 -799.5

30.

Find the midpoint of 12–18

a)

15

b)

14

c)

12.5

d)

15.5

31.

Find the class width of 13.6–14.7

a)

2.1

b)

1.1

c)

6.6

d)

13.1

32.

Find the class width of 695–705

a)

9

b)

10

c)

11

d)

10.5

33.

Identify the sixth class interval

a)

300-399

b)

1000-1200

c)

800-899

d)

900-999

34.

Calculate the midpoint 95-99

a)

95.5

b)

97

c)

99.9

d)

97.9

35.

Use the picture below.

a)

A

b)

B

c)

B

d)

D

36.

Use the picture below.

a)

A

b)

B

c)

C

d)

D

37.

For the class interval 10 - 20, what is the class width.

a)

11

b)

10

c)

10.5

d)

19.5

38.
The time it takes you to drive to school.
a)
Continuous
b)
Discrete
39.
The number of books in your locker.
a)
Continuous
b)
Discrete
40.
The number of babies born at Greenville Memorial Hospital this month.
a)
Continuous
b)
Discrete
41.
The cost of your lunch at Burger King.
a)
Continuous
b)
Discrete