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April 20, 2014

April 20, 2014

Posted by **Dan** on Friday, January 9, 2009 at 2:40am.

a. Compute the range.

b. Compute the mean deviation.

c. Compute the standard deviation.

- math -
**Writeacher**, Friday, January 9, 2009 at 8:47amhttp://www.purplemath.com/modules/meanmode.htm

http://www.google.com/search?rlz=1C1GGLS_en-USUS292&sourceid=chrome&ie=UTF-8&q=mean+deviation

http://www.google.com/search?hl=en&rlz=1C1GGLS_en-USUS292&q=standard+deviation&btnG=Search

Let us know what you come up with.

- math -
**Bill**, Saturday, May 15, 2010 at 8:31pmRange=12-3=9

Mean=(12+6+7+3+10)/5=7.6

Mean Deviation=[(12-7.6)+(7.6-6)+(7.6-7)+(7.6-3)+(10-7.6)]/5 = 13.6/5=2.72

Standard Deviation=sqrt=[(12-7.6)^2(7.6-6)^2+(7.6-7)^2+(7.6-3)^2+(10-7.6)^2]/(5-1)=sqrt[19.36+2.56+0.36+21.16+ 5.76]/4=sqrt[12.3]=3.51

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