In a Sample of Size N = 36, a Sample

question 38

Multiple Choice

In a sample of size n = 36, a sample correlation of r = -.450 provides sufficient evidence to conclude that the population correlation coefficient differs significantly from zero in a two-tailed test at:

• A)α = .01
• B)α = .05
• C)both α = .01 and α = .05.
• D)neither α = .01 nor α = .05.

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Definitions:

Variable Cost

Costs that vary in proportion to the level of activity or volume of production in a business.

Annual Fixed Costs

Expenses that a business incurs that do not fluctuate with changes in production level or sales volume, such as rent or salaries, benchmarked on a yearly basis.

Graphical Approach

A method of solving problems or representing data using charts, graphs, or diagrams.

CVP Analysis

Short for Cost-Volume-Profit Analysis, a tool used to determine how changes in cost and volume affect a company's operating income and net income.