Computer Software Programs That Are Developed for Charting Graphs of Sales

question 78

Multiple Choice

Computer software programs that are developed for charting graphs of sales performance (in terms of the number of units sold) over the past five years are an example of which type of software?

• A)Applications
• B)Artificial intelligence
• C)Expert systems
• D)DSS systems
• E)Operating system software

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Definitions:

Selection Bias

A distortion of statistical analysis results caused by the method of collecting samples that is not representative of the entire population being studied.

Literary Digest

A general interest magazine in the United States that published from 1890 to 1938, known for its failed prediction of the 1936 presidential election.

Probability Sampling

A method of sampling that utilizes random selection procedures to ensure every member of a population has an equal chance of being included in the sample.

Margin Of Error

A measure in survey research, indicating the range within which the true value (for example, percentage of population holding a certain opinion) lies with a certain level of confidence.