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martin edwards stats

Basic statistics

QuestionAnswer
What is the median Middle number when numbers are ranked
How do you calculate the mean Add all numbers and divide by the total
Why is the mean not a good measure of the average for an skewed distribution Extreme values affect the mean
What shape is a normal distribution Bell shaped, symmetrical
If the median is larger than the mean what shaped distribution would you expect negatively skewed
Created by: medwards
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