A Database Management System Is Software That Allows You to Use

question 109

Multiple Choice

A database management system is software that allows you to use a computer to ____.

• A)create a database
• B)ask questions concerning the data
• C)add,change,or delete data
• D)create forms and reports
• E) None of the above

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Definitions:

z

A standard score indicating how many standard deviations an element is from the mean in a normal distribution.

Standard Normal Random Variable

A random variable that is normally distributed with a mean of 0 and a standard deviation of 1.

P

Often used as shorthand for the p-value in statistical contexts, indicating the probability of observing certain results given a null hypothesis.

z

In statistics, 'z' often stands for the z-score, a measure of how many standard deviations an element is from the mean.