If It Proves Possible to Make Abnormal Profits Based on Information

question 127

Multiple Choice

If it proves possible to make abnormal profits based on information regarding past stock prices,then the market:

• A) is weak-form efficient.
• B) is not weak-form efficient.
• C) is semistrong-form efficient.
• D) is strong-form efficient.

---

Definitions:

Standard Error

The statistical term that measures the accuracy with which a sample represents a population.

Mean

The arithmetic average of a set of numbers, calculated by adding them up and dividing by the count of numbers.

Confidence Interval

A spread of values, emerging from the statistical study of a sample, which has a likelihood of including the value of a non-disclosed population parameter.

Mean

The arithmetic average of a dataset, found by adding all the numbers in the set and dividing by the count of numbers.