Financial Analyst Larry Potts Needs a Sample of 100 Securities

question 57

Multiple Choice

Financial analyst Larry Potts needs a sample of 100 securities listed on either the New York Stock Exchange (NYSE) or the American Stock Exchange (AMEX) . According to the Wall Street Journal's "Stock Market Data Bank," 2,531 NYSE securities and AMEX 746 securities were traded on the previous business day. Larry directs his staff to randomly select 77 NYSE and 23 AMEX securities. His sample is a ____________.

• A) disproportionate systematic sample
• B) disproportionate stratified sample
• C) proportionate stratified sample
• D) proportionate systematic sample
• E) proportionate cluster sampling

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Definitions:

Organic Compounds

Molecules composed primarily of carbon and hydrogen, often containing oxygen, nitrogen, and other elements.

Nerve Cells

Specialized cells within the nervous system that transmit information to other nerve cells, muscles, or gland cells.

Human Nervous System

A complex network of nerves and cells that convey signals between different parts of the body, controlling both voluntary and involuntary actions.

Neurotransmitters

Chemical messengers that transmit signals across a chemical synapse, such as between neurons, to influence or regulate bodily functions.