Each of the Following Would Tend to Weaken the Semi-Strong

question 28

Multiple Choice

Each of the following would tend to weaken the semi-strong form Efficient Market Hypothesis except

• A)There is publicly available information that Boeing Aircraft has procured a contract to build 25 planes for the US Government and the price of Boeing quickly goes up.
• B)ACG, Inc.performed well for the past six months, but they just lost a major distribution contract, but the price of ACG shares continues to go up.
• C)Woolworth announces higher sales turnover this quarter, and the share price remains stable.
• D)Muguet Company consistently underperforms the market in October, but outperforms the market in May.

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Definitions:

Pooled Standard Deviation

An estimate of standard deviation across different samples combined, assuming equal or varying sample sizes but a common true variance.

Control Limits

Statistical boundaries set in quality control processes to identify when a process is out of control, based on specifications or historical performance data.

Upper Control Limit

The highest value a process variable can reach before it is considered to be out of control in a statistical quality control chart.

Sample Proportion

The ratio of members within a sample that have a particular attribute to the total number of members in the sample.