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Data Review

Total questions: 28

Worksheet time: 3hrs 46mins

Name
Class
Date
1.
What is the mean of these numbers?
4,5,5,2,3,3,2,8
a)
40
b)
24
c)
4
d)
256
2.

What is another word for AVERAGE?

a)

Mode

b)

Median

c)

Mean

d)

Not nice

3.

What is the mean of the data? Round to the nearest tenth.

a)

4.5

b)

5

c)

5.2

d)

5.7

4.

What is the median of the data?

a)

10

b)

9

c)

6

d)

3

5.

What is the mode of the data?

a)

10

b)

8

c)

6

d)

3

6.

Bobby mowed 7 lawns. He earned $10, $15, $12, $15, $8 and $15 for SIX lawns. How much did he earn the seventh time if the mean of the data is $12?

a)

$9

b)

$10

c)

$12

d)

$15

7.

What is the outlier in the following data?

11, 19, 17, 8, 37, 11, 19, 16, 22

a)

37

b)

8

c)

11

d)

22

8.
To find the 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
9.
A data set can have more than one median?
a)
True
b)
False
10.
A data set can have more than one mode
a)
True
b)
False
11.
The mode score on the 6th grade math test was 94! Which of these interpretations must be correct?
a)
99 was the highest score on the test.
b)
More students received a 94 than any other score
c)
No student scored below a 50
d)
A score of 91 was slightly below average.
12.
Find the range.
12, 5, 9, 18, 22, 25, 5
a)
20
b)
15
c)
22
d)
18
13.
Find the median.
7, 1, 1, 7, 1, 4, 1
a)
4
b)
7
c)
1
d)
5
14.

Find the median, first quartile, third quartile, and interquartile range of the data.

32, 53, 72, 66, 47, 54, 49, 67, 71

a)

Median: 54

First Quartile: 49

Third Quartile: 67

IQR: 18

b)

Median: 54

First Quartile: 48

Third Quartile: 69

IQR: 21

c)

Median: 54

First Quartile: 48

Third Quartile: 69

IQR: 22

d)

Median: 54

First Quartile: 49

Third Quartile: 69

IQR: 20

15.

The table shows the ages of automobiles in the parking lot. The range of the ages is 12 years. Find the missing age.

a)

12

b)

13

c)

14

d)

15

16.
What percent of the data is between 25 and 30 on the number line?
a)
25%
b)
`50%
c)
75%
d)
100%
17.
What is the range of the set of data?
a)
70
b)
65
c)
80
d)
55
18.
What data value is the upper quartile?
a)
64
b)
62
c)
66
d)
58
19.
The lower quartile of the box - and - whisker is represented by which number?
a)
64
b)
58
c)
66
d)
60
20.
What is the interquartile range (IQR)?
a)
4
b)
64
c)
60
d)
8
21.
Find the Maximum
a)
14
b)
20
c)
5
d)
12
22.
What is the first step when calculating the Mean Absolute Deviation?
a)
Find the distance each value is from the mean
b)
Find the mean of the distances
c)
Find the mean of the data
d)
a2+b2=c2
23.
Determine the mean absolute deviation of the data. 9, 7, 11, 10, and 8
a)
9
b)
6
c)
1.2
d)
5
24.
What is the second step when calculating the Mean Absolute Deviation?
a)
Find the difference between each value and the mean
b)
Find the mean of the distances
c)
Find the mean of the data
25.
Find the Mean Absolute Deviation:  
5, 11, 2, 7, 16. 
a)
3.2
b)
2.8
c)
1.2
d)
4.2
26.
Find the MAD:
2,4,6,8,10,12
a)
5
b)
7
c)
1
d)
3
27.
Which M.A.D. would show the most variability?
a)
.5
b)
1
c)
1.5
d)
2
28.
Find the Median
a)
12
b)
14
c)
20
d)
5