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coefficient of skewness

Listed below are the commissions earned ($000) last year by the sales representatives at the Furniture Patch, Inc.

4.0, 5.9, 7.9, 11.5, 12.5, 13.6, 15.2, 15.8, 16.9

17.4, 18.9, 22.3, 36.4, 43.2, 85.2

(a) (Round your answers to 2 decimal places.)

The mean is ________ thousand

The median is ________ thousand

The standard deviation is __________ thousand

(b) Determine the coefficient of skewness using Pearsons method. (Round your answer to 3 decimal places.)

(c) Determine the coefficient of skewness using the software method. (Round your answer to 2 decimal places.)

Solution Preview

Please see the attachment.

Listed below are the commissions earned ($000) last year by the sales representatives at the Furniture Patch, Inc.

4.0, 5.9, 7.9, 11.5, 12.5, 13.6, 15.2, 15.8, 16.9

17.4, 18.9, 22.3, 36.4, 43.2, 85.2

(a) (Round your answers to 2 decimal places.)

Mean = sum/15
= (4.0 + 5.9 + 7.9+11.5 + 12.5+13.6+15.2+15.8+16.9+17.4 + 18.9 + 22.3 + 36.4 + 43.2 + 85.2)/15
= 21.78
Arrange numbers in ascending order
4.0, 5.9, ...

Solution Summary

The expert determines the coefficient of skewness using Pearsons method.

$2.19