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8.4 Measures of Central Tendency

Total questions: 23

Worksheet time: 2hrs 55mins

Name
Class
Date
1.

Find the mean of the numbers below:


4, 9, 7, 10, 5

a)

5

b)

6

c)

7

d)

8

2.

Find the mean of the numbers below:


2, 8, 6, 3, 12, 7, 4

a)

5

b)

6

c)

7

d)

8

3.

Find the mean of the numbers below:


3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1

a)

3

b)

2

c)

1

d)

4

4.

Mr Holland gives his class a test. The results are:


34%, 44%, 75%, 21%, 98%, 86%, 71%, 76%, 63%, 55%


How many students scored above the mean percentage?

a)

4

b)

5

c)

6

d)

7

5.
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
6.

The mode is the number ________________________.

a)

you see most

b)

you see least

c)

you don't see

d)

you see first

7.

What is the mode of this data set?

325, 400, 350, 400, 300, 250

a)

400

b)

300

c)

325

d)

250

8.

The range is found by finding the _______________ number and subtracting the ________________ number.

a)

smallest, biggest

b)

even, odd

c)

biggest, smallest

d)

middle, first

9.
When finding the median, what do you do if there are two middle numbers?
a)
Add them together and divide by 2
b)
Write them both as the answer
c)
Give up
d)
Pick one
10.
Find the median of these numbers:
99, 32, 61, 82, 58, 41, 73, 24, 18
a)
58
b)
41
c)
32
d)
73
11.
Find the median:
3, 5, 7, 4, 3, 1
a)
3 and 4
b)
There isn't one
c)
3.5
d)
3
12.
What is the total number of animals at the refuge?
a)
20
b)
25
c)
50
d)
100
13.

How many more people prefer to visit Louisiana or New Mexico than Arkansas or Oklahoma?

a)

39

b)

145

c)

167

d)

184

14.

The table shows the types of sandwiches sold at a deli yesterday. One customer bought half the peanut butter sandwiches and half the grilled cheese sandwiches that were sold. Each sandwich cost $6. How much did the customer pay?

a)

$24

b)

$42

c)

$84

d)

$18

15.

Which sport represents the mode?

a)

Soccer

b)

Softball

c)

Football

d)

Basketball

16.

The percent bar graph shows the percent of each type of trading card that is in John’s collection.

Which type of trading card represents the mode for the data shown?

a)

Football

b)

Hockey

c)

Soccer

d)

Baseball

17.
What is the highest score in the class?
a)
88%
b)
100%
c)
13
d)
98%
18.
How many students received a score in the 80's?
a)
2
b)
10
c)
14
d)
27
19.
How many total students are in the science class?
a)
13
b)
6
c)
27
d)
25
20.
The mode is
a)
The middle score
b)
 Scores added & divided by the number of scores
c)
The most frequent score
d)
The middle when in order
21.
The median is
a)
The middle score
b)
 Scores added & divided by the number of scores
c)
The most frequent score
d)
The middle when in order
22.
What was the day with the least amount of cars sold? 
a)
Monday
b)
Tuesday
c)
Wednesday
d)
Thursday
23.
What is the definition of the mean?
a)
The average
b)
The middle number
c)
The difference between the highest and lowest numbers
d)
The number that occurs the most