Summary Measures About Variables Computed Using Only Data Taken from a Sample

question 33

Multiple Choice

Summary measures about variables computed using only data taken from a sample are called sample:

• A)statistics
• B)parameters
• C)estimates
• D)scores

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Definitions:

Weak-Form Efficient

A market hypothesis suggesting that all past prices of stock are reflected in the current price, hence historical data cannot be used to predict future prices.

Strong-Form Efficient

A hypothesis that states all information, both public and private, is completely accounted for in stock prices, and that no investor can achieve consistently higher returns.

CAPM

The Capital Asset Pricing Model, a formula used to determine the expected return of an asset based on its beta and expected market returns, thus assessing its inherent risk and cost of capital.

Beta

A measure of a security's or portfolio's volatility, or systematic risk, in comparison to the market as a whole.