If the Computed Minimum Sample Size N Needed for a Particular

question 20

Multiple Choice

If the computed minimum sample size n needed for a particular margin of error is not a whole number, round the value of n _______ (up or down) to the next ________ (smaller or larger)
Whole number.

• A)up; smaller
• B)up; larger
• C)down; smaller
• D)down; larger

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Definitions:

Single-Index Model

A model used in finance to describe the returns of a stock portfolio based on the returns of a single market index, simplifying the complexities of the market.

Markowitz Model

A portfolio optimization theory that employs diversification to maximize returns for a given level of risk through quantitative analysis.

NYSE

The New York Stock Exchange, a leading global platform for buying, selling, and trading stocks and securities.

Single-Index Model

A simplified way to estimate the return of a stock using the performance of a single market index as the primary factor.