When Data Is "Hard Keyed" into the Program, Which of the Following

question 51

Multiple Choice

When data is "hard keyed" into the program, which of the following is true?

• A)Changing the data is cost efficient and may be accomplished in a matter of minutes.
• B)Changing the data is costly and may take days or weeks.
• C)Changing the data requires purchasing additional computer storage and may take days or weeks.
• D)Changing the data requires recreating (recoding)the entire program.

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Definitions:

Correlation

A statistical measure that describes the extent to which two variables change together, but not necessarily indicating causation.

Prediction Error

The difference between observed values and the values predicted by a model.

Intercept

In mathematics and statistics, the point at which a line or curve intersects a given axis on a graph.

Predicted Income

An estimate of future income based on variables such as education, occupation, and previous earnings.