college
posted by jenny .
With a mean of 72, and SD of 10 of High temprature:
Temprature of 93 is how many SD above mean?
Temprature of 54 is how many SD below mean?
Show your calculations.

If by SD you mean Standard Deviation, try some of the following tutorials:
http://search.yahoo.com/search?fr=mcafee&p=Standard+Deviation+tutorials
Sra 
9372 = 21
21/10 = 2.1
do the other one the same way
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