Suppose You Want to Know How Many Times Per Month

question 23

Multiple Choice

Suppose you want to know how many times per month people of Portland go shopping. You interviewed fifty women from Portland selected randomly. Is the sample likely to be representative of the population of interest?

• A)No, since sample size too small.
• B)Yes, since every individual in the population has an equal chance of being selected into the sample.
• C)No, since you did not interview people from other cities.
• D)Yes, since only women go shopping.
• E)No, since not every individual in the population has an equal chance of being selected into the sample.

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Definitions:

Market Decline

A period in which stock prices fall across the majority of the market, often leading to a decrease in investor confidence.

EMH

The Efficient Market Hypothesis, suggesting that stock prices fully reflect all available information and are efficiently priced.

Technical Analysis

A methodology for forecasting the direction of prices through the study of past market data, primarily price and volume.

Security Prices

The market price at which a security is traded, reflecting the supply and demand dynamics for that particular security.