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Mean Absolute Deviation
Test Description: Practicing mean absolute deviation
Instructions: Answer all questions to get your test result.
1) What does mean represent?
A
Middle
B
Average
C
The difference between the highest and lowest value
D
The most time a number appears
2) What is the definition of absolute value?
A
Make a number negative
B
The distance between a number and its opposite
C
The distance between a number and 0
D
Make a number positive
3) What is the first step when calculating the mean absolute deviation (MAD)?
A
Find the difference between the data points
B
Find the absolute value of the dataset
C
Find the mean of the absolute value
D
Find the mean of the dataset
4) Find the mean absolute deviation of 10, 9, 3, 8, 10.
A
2
B
5
C
3
D
1
5) Find the mean absolute deviation of 5, 11, 2, 7, 16.
A
2.8
B
3.2
C
1.2
D
4.2
6) Find the mean absolute deviation of 58, 38, 54, 48, 26, 36.
A
12
B
10
C
20
D
43
7) What is the second step when calculating the mean absolute deviation (MAD)?
A
Find the absolute value of the dataset
B
Find the mean of the dataset
C
Find the difference between the data points
D
Find the difference between the data and mean of the dataset
8) Find the mean absolute deviation of 5, 3, 5, 7.
A
4
B
1
C
3
D
2
9) Find the mean absolute deviation of 3, 5, 1, 6, 9, 9.
A
2.5
B
15
C
5.5
D
3
10) Find the mean absolute deviation of 7, 8, 1, 8, 3.
A
27
B
13.6
C
5.4
D
2.7
*select an answer for all questions
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