In Order to Compute a Correlation Coefficient Between Traits a and B

question 58

Multiple Choice

In order to compute a correlation coefficient between traits A and B, it is necessary to have:

• A) one group of subjects, some of whom possess characteristics of trait A, the remainder possessing those of trait B.
• B) measures of trait A on one group of subjects and of trait B on another.
• C) one group of subjects, some of whom have both A and B, some have neither, and some have one but not the other.
• D) two groups of subjects, one which could be classified as A or not A, the other as B or not B.
• E) measure of traits A and B on each subject in one group.

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Definitions:

Gross Profits

Total revenue of a company minus the cost of goods sold, not including other operating expenses.

Payoff Table

A table that lists the possible outcomes of different decisions, often used in decision analysis to compare the implications of various strategies.

Expected Opportunity Loss

The average loss resulting from not choosing the best alternative in decision-making under uncertainty.

Gross Profits

The difference between revenue and the cost of goods sold, representing the basic profitability of the products or services sold before other expenses.