Over the Past 30 Years, the Sample Standard Deviations of the Rates

question 98

Multiple Choice

Over the past 30 years, the sample standard deviations of the rates of return for stock X and Stock Y were 0.20 and 0.12, respectively. The sample covariance between the returns of X and Y is 0.0096. The correlation of the rates of return between X and Y is the closest to ________.

• A) 0.20
• B) 0.24
• C) 0.36
• D) 0.40

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Definitions:

Generalization

The process of forming general statements or conclusions from specific instances.

Extinguished CR

In classical conditioning, this refers to the gradual weakening and eventual disappearance of the conditioned response when the conditioned stimulus is repeatedly presented without the unconditioned stimulus.

Conditioned Response

A learned reaction to a previously neutral stimulus that becomes elicited by the stimulus after repeated associations with an unconditioned stimulus.

Hypodermic Needle

This refers to a slender, hollow needle attached to a syringe, used for injecting substances into the body or extracting fluids from it.