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

---

Definitions:

Simple Linear Regression

A method for quantifying the relationship between two variables through a linear equation involving one independent variable and one dependent variable.

Noxious Substance

A noxious substance is a harmful or poisonous material that can cause health issues in living organisms upon exposure.

T Statistic

A value used in statistical hypothesis testing to determine if there is a significant difference between two sample means.

Body Fat

The percentage of a person's body mass that is made up of fat tissue versus lean body mass.