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## Main Question or Discussion Point

**Calculating the variance with a TWIST!!!**

Hello!! I am trying to understand this problem!! its just on my practice questions and Ihave the answer, I CAN NOT understand how to set it up!! PLEASE someon ehelpo!!!!!

THis is it :)

A student wants to calculate the variance of a set of 10 scores. But he doesnt have hte raw scores, but only has the deviation of each raw score from the mean. Worse yet he only has 9 of tese deviation scores...

compute the variance for him

-5, +11, -4, -2, +7, -8, -6, +1, -3