The Weekly Salaries (In Dollars)of 24 Randomly Selected Employees of a Company

question 36

Multiple Choice

The weekly salaries (in dollars) of 24 randomly selected employees of a company are shown below,and displayed on the following boxplot.
Find the IQR and the standard deviation.Which is the most appropriate measure of spread?

• A)IQR: $789.3;standard deviation: $740 The IQR is the most appropriate measure of centre,because of the outliers.
• B)IQR: $715;standard deviation: $769 The standard deviation is the most appropriate measure of centre,because of the outliers.
• C)IQR: $715;standard deviation: $769 The standard deviation is the most appropriate measure of centre,because the outliers are not significant in the distribution.
• D)IQR: $715;standard deviation: $769 The IQR is the most appropriate measure of centre,because the outliers are not significant in the distribution.
• E)IQR: $715;standard deviation: $769 The IQR is the most appropriate measure of centre,because of the outliers.

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Definitions:

Annual Percentage Rate

The annual rate charged for borrowing or earned through an investment, expressed as a percentage that represents the actual yearly cost of funds over the term of a loan or income from an investment.

Newspaper Advertisement

A public announcement or promotion of products, services, or events published in a newspaper.

Savings And Loan Association

A financial institution that specializes in accepting savings deposits and making mortgage and other loans.

Auto Retailer

A business that specializes in the sale of new or used automobiles to the public.