A Research Analyst Believes That a Positive Relationship Exists Between

question 38

Multiple Choice

A research analyst believes that a positive relationship exists between a firm's advertising expenditures and its sales. For 65 firms, she collects data on each firm's yearly advertising expenditures and its sales. She calculates a Spearman rank correlation coefficient of 0.45. At the 5% confidence level, which of the following is the correct conclusion about the relationship between advertising and sales?

• A) Reject the null hypothesis; we cannot conclude advertising and sales are correlated.
• B) Do not reject the null hypothesis; we can conclude advertising and sales are correlated.
• C) Reject the null hypothesis; we can conclude advertising and sales are correlated.
• D) Do not reject the null hypothesis; we cannot conclude advertising and sales are correlated.

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Definitions:

Positive Behaviors

Actions or conduct that are considered beneficial, constructive, or promoting well-being and positive outcomes.

Secondary Reinforcers

Stimuli that become rewarding through their association with primary reinforcers, such as praise or money.

Organizations

Groups of individuals structured and coordinated to achieve specific goals or perform tasks together under shared rules and guidelines.

Salary

Compensation received by an employee, usually as periodic payments, for performing their job responsibilities.