too difficult

timer Asked: Apr 28th, 2013

Question Description

I’m trying to study for my Business course and I need some help to understand this question.

28. Listed below is
the amount of commissions earned last month for the eight members of the sales
staff at Best Electronics. Calculate the coefficient of skewness using both
methods. Hint: Use of a spreadsheet will expedite the calculations.

980.9 1,036.5 1,099.5 1,153.9
1,409.0 1,456.4 1,718.4 1,721.2

36. Refer to the Wage
data, which report information on annual wages for a sample of 100 workers.
Also included are variables relating to industry, years of education, and
gender for each worker.

a. Develop
a box plot for the variable annual wage. Are there any outliers? Write a brief summary
of your findings.

b. Develop
a box plot for the variable years of education. Are there any outliers? Write a
brief summary of your findings.

c. Draw
a bar chart of the variable occupation. Write a brief report summarizing your findings.

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