The Following Data for Five Years of the Annual Returns

question 103

Multiple Choice

The following data for five years of the annual returns for two of Vanguard's mutual funds, the Vanguard Energy Fund (x) and the Vanguard Healthcare Fund (y) , were given as s_x = 35.77, s_y = 13.34, s_xy = 447.68. Which of the following is the value of the sample correlation coefficient?

• A) 0.88
• B) 0.94
• C) 0.78
• D) −0.78

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Definitions:

Job Order Cost System

An accounting method that accumulates costs for each individual job or project, tracking materials, labor, and overhead.

Uniform Products

Products that are identical in quality and performance, manufactured to meet a standard specification.

Cost Accounting

An area of accounting that involves measuring, recording, and reporting product costs.

Product Costs

Costs that are directly tied to the production of goods or services, including raw materials and labor.