Posted by Lisa on Tuesday, January 31, 2012 at 4:46pm.
Do you know how to calculate the mean.The mean is (10.04 + 10.02 + 10.08 + 10.06)/4 = ?
Then subtract each value (I'm sure you meant pipet and not piper) from the mean, that will give you four different values, disregard the sign (make them all positive), then add the 4 differences and divide by 4. That will be the average deviation of the mean.
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