Electronic Communication Systems

question 57

Multiple Choice

Electronic communication systems:

• A)allow investors to communicate with others in investor chat rooms.
• B)allow markets to trade American Depository Receipts online in Europe and Asia.
• C)automatically match buy and sell orders at specified prices.
• D)are operated by the investment bankers to stabilize new issue markets.

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Definitions:

Median

The middle value in a data set when the values are arranged in ascending or descending order.

Skewed

A description of data that are not symmetrically distributed around the mean, often indicating a longer tail on one side of the distribution.

Parameter

In statistical analysis, a parameter is a quantity that characterizes a certain aspect of a population or a model.

Statistic

A number that describes a characteristic of a sample, derived from the data that the sample contains.