Second Problem
A. determine the mean, median, and the standard deviation
B. Determine the coefficient of skewness using Pearson's method
C. Determine the coefficient of skewness using the software method
Commison earned($000)last year by the sales representatives at the Furniture Patch, Inc.
$3.90 $5.70 $7.30 $10.60 $13.00 $13.60
17.4 17.6 22.3 38.6 43.2 87.7
$15.10 $15.80 $17.10
We don't do the work for students. I assume that you know how to do A from information in your textbook.
I searched Google under the key words "coefficient skewness" to get these possible sources:
http://www.mathsrevision.net/alevel/pages.php?page=55
http://web.cecs.pdx.edu/~roy/tutorial/chap_2/chap_2.htm
http://www.bized.co.uk/timeweb/digging/dig_mean_expl.htm#summarisingdata
http://mathworld.wolfram.com/Skewness.html
I hope this helps. Thanks for asking.