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What is the MAD of the following data?

 

5, 1, 1, 8, 4, 5

 

 

 

 

And, please tell me how you do it?

Thank you.

mathguardian23  May 23, 2017
 #1
avatar+26724 
+1

First find the mean:

 

m = (5 + 1 + 1 + 8 + 4 + 5)/6 → 24/6 → 4

 

Mean Absolute Deviation:

 

MAD = (|5 - 4| + |1 - 4| + |1 - 4| + |8 - 4| + |4 - 4| + |5 - 4|)/6

 

MAD = (1 + 3 + 3 + 4 + 0 + 1)/6 → 12/6 → 2

.

Alan  May 23, 2017

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