Mean Absolute Deviation
3 years ago
mzstewart
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• Question 1
30 seconds
Q. What is the second step when calculating the Mean Absolute Deviation?
Find the distance each value is from the mean
Find the mean of the distances
Find the mean of the data
• Question 2
30 seconds
Q. What is the third step when calculating the Mean Absolute Deviation?
Find the distance each value is from the mean
Find the mean of the distances
Find the mean of the data
• Question 3
30 seconds
Q. What is another word for average?
Mean
Median
Mode
Range
• Question 4
900 seconds
Q. Which of the following is the mean absolute deviation for the set of data?
2.50 3.75 1.25 2.25 3.00
3.3
0.66
2.50
2.55
• Question 5
900 seconds
58, 38, 54, 48, 26, 36
43
20
10
12
• Question 6
900 seconds
Q. What is the mean of this data set?
6, 7, 2, 1, 5, 2, 1, 6
24.75
3
3.7
3.8
• Question 7
900 seconds
Q. Find the MAD for the following set: 85, 90, 68, 75, 79
79.4
6.48
32.4
79
• Question 8
900 seconds
Q. Find the MAD of the following data sets: \$29, \$58, \$15, \$129, \$75, \$22
196
54.7
114
32.67
• Question 9
900 seconds
Q. Find the MAD for the following set: 65, 90, 85, 70, 70, 95, 55
12.24
75.7
85.7
40
• Question 10
300 seconds
Q. Find the Mean Absolute Deviation:  5, 11, 2, 7, 16.  The Mean is 8.2
3.2
2.8
1.2
4.2
• Question 11
60 seconds
Q. In calculating MAD, after you find the absolute deviations you must _____________.
Do nothing because you are done.
Subtract them from the mean.
Find the mean of the absolute deviations.
• Question 12
30 seconds
Q. An amusement park recorded the ages of the first ten people to ride a new attraction. The ages were as follows: 11, 34, 16, 18, 22, 30, 18, 20, 15, and 16. What is the mean absolute deviation of this data set?