The Standard Error of Estimate Is Equal to Zero Only

question 93

Multiple Choice

The standard error of estimate is equal to zero only if the

• A) correlation between X and Y = 0.
• B) correlation between X and Y = 1.0.
• C) mean on X is equal to the mean on Y.
• D) standard deviation of X is equal to the standard deviation of Y.
• E) distributions of X and Y are normal.

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Definitions:

Net Operating Income

This refers to the profit realized from a business's operational activities, excluding taxes and interest.

Contribution Margin Ratio

A financial metric that measures the proportion of revenue that exceeds variable costs, indicating how much earnings can contribute towards fixed costs and profit.

Combined Margin

refers to the total margin generated by a product or entity after accounting for various types of costs, merging both gross and net margins to provide an overall profitability measure.

Fixed Expenses

Costs that do not change with the level of production or sales over a short period.