In Order to Test the Efficient-Market Hypothesis in the Weak

question 24

Multiple Choice

In order to test the efficient-market hypothesis in the weak form, researchers have used the following methods except:

• A) Estimation of the serial correlation (autocorrelation) for securities and markets
• B) Measurement of the profitability of trading rules used by technical analysts
• C) Measurement of how rapidly security prices adjust to different news items
• D) All of the above are methods used for testing weak-form market efficiency

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Definitions:

Null Hypothesis

The null hypothesis is a statement used in statistical testing that proposes there is no significant difference or effect, serving as the default assumption to be tested against.

Level of Significance

The threshold below which a p-value is considered statistically significant, typically set at 0.05 or 5%, indicating the probability of rejecting the null hypothesis when it is true.

Point Estimate

A single value (statistic) given as the best guess or most reasonable approximation of a population parameter based on sample data.

Population Proportion

The fraction or percentage of members in a population that exhibit a particular characteristic or attribute.