ERDs Should Be Developed Whether the Information System Is to Be

question 47

True/False

ERDs should be developed whether the information system is to be developed in-house or purchased from a vendor. Do you agree?

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Definitions:

Mean

The arithmetic average of a set of numbers, obtained by dividing the sum of these numbers by their quantity.

Z-statistic

A statistic used to determine the difference between an observed statistic and its hypothesized population parameter, measured in units of the standard deviation.

Two-tailed Test

A statistical test hypothesis that allows for the possibility of an effect in two directions, either greater than or less than.

Significant

In statistics, indicating that the results of an analysis are unlikely to have occurred purely by chance, at a specified level of probability.