The Sample Standard Deviations for X and Y Are 10

question 119

Multiple Choice

The sample standard deviations for x and y are 10 and 15, respectively. The covariance between x and y is −120. The correlation coefficient between x and y is ________.

• A) −0.8
• B) −0.5
• C) 0.5
• D) 0.8

---

Definitions:

Inventory

Products or goods that a business holds for the purpose of sale or production in the course of business operations.

Managerial Accounting Reports

Internal reports that provide management with specific financial and operational information needed to make decisions about a company's direction and strategy.

Primary Criterion

The most important standard or measure used to evaluate or judge a variable, situation, or decision-making process.

Prime Costs

The combined costs of direct labor and direct materials involved in the production of goods.