Question 200329
Here are the 5 Values: 


72, 70, 99, 71, 74



Mean - Add up the values and divide the sum by 5:


{{{Mean=(72+70+99+71+74)/5=386/5=77.2}}}


So the mean is 77.2



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Median: First sort the values


70, 71, 72, 74, 99



We can see that the middle value is 72. So the median is 72.



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Mode: There isn't a mode since there are no repeated values.


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Midrange: Add up the smallest value and the largest value. Divide that sum by 2:


{{{Mid_Range=(70+99)/2=169/2=84.5}}}



So the mid-range is 84.5




Notice how most of the data is clustered in the low 70's. So this means that the average value is in the low 70's. Since the median is 72 (which the closest value in the low seventies), this means that the median is the best measure in this case. Why? The extreme value 99 affects both the mean and midrange, but it doesn't affect the median.