What does a small Mad tell you about a set of data?
1 answer:
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If we rearrange the given data set from lowest to highest, we have
The minimum is 3.
The first quartile is the average of 6 and 7, which is 6.5
The median is the average of 8 and 10 which is 9.
The third quartile is the average of 12 and 15 which is 13.5.
The maximum is 18.
The minimum is 3.
The first quartile is the average of 6 and 7, which is 6.5
The median is the average of 8 and 10 which is 9.
The third quartile is the average of 12 and 15 which is 13.5.
The maximum is 18.
In order to do this we need to make them both fractions, or both decimals. It's much easier to make them both decimals, as you can get 
into decimal form by simply dividing 1 by 5.
If 1/5 = .20, then 1/5 is greater than .15!
If 1/5 = .20, then 1/5 is greater than .15!