(Note: Skip down to the bold and underlined sentences for answers if you don't want to see my explanation.)
{2, 6, 8, 12, 12}
Finding the Mean;
2 + 6 + 8 + 12 + 12 = 40
40 / 5 = 8
The mean is 8
Calculating the Mean Absolute Deviation (MAD)
|2 - 8| = 6
|6- 8| = 2
|8 - 8| = 0
|12 - 8| = 4
|12 - 8| = 4
6 + 2 + 0 + 4 + 4 = 16
16 / 5 = 3.2
<u>The Mean Absolute Deviation (MAD) for {2, 6, 8, 12, 12} is 3.2</u>
<u></u>
[10, 15, 18, 20, 24]
Finding the Mean;
10 + 15 + 18 + 20 + 24 = 87
87 / 5 = 17.4
The mean is 17.4
Calculating the Mean Absolute Deviation (MAD)
|10 - 17.4| = 7.4
|15 - 17.4| = 2.4
|18 - 17.4| = 0.6
|20 - 17.4| = 2.6
|24 - 17.4| = 6.6
7.4 + 2.4 + 0.6 + 2.6 + 6.6 = 19.6
19.6 / 5 = 3.92
<u>The Mean Absolute Deviation (MAD) for [10, 15, 18, 20, 24] is 3.92</u>
<u></u>
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