For a Certain Data Set the Regression Equation Is Y

question 58

Multiple Choice

For a certain data set the regression equation is y = 2 + 3x.The correlation coefficient between y and x in this data set ___.

• A)must be 0
• B)is negative
• C)must be 1
• D)is positive
• E)must be 3

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Definitions:

Variable Costs

Expenditures that shift in accordance with the scale of output or level of production activities.

Total Revenue

The income that a company generates from its business activities, typically from the sale of goods and services before any expenses are deducted.

Break-Even Point

The juncture where a company's overall expenses match its total income, leading to neither a profit nor a loss.

Shutdown Point

The level of business operations where a company cannot cover its variable costs by producing, leading to a pause or cessation of production.