A Null Value Can Indicate Which of the Following Conditions

question 96

Multiple Choice

A null value can indicate which of the following conditions?

• A)The value is inappropriate.
• B)The value is appropriate but unknown.
• C)The value is appropriate and known,but not entered into the database.
• D)A,B,and C
• E)None of the above is correct.

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Definitions:

F-test

A statistical procedure that compares the variances between two samples to assess if they originate from populations with identical variances.

Random Variable

A variable that takes on various numerical values, each associated with a certain probability, representing outcomes of a random phenomenon.

Within-treatments Variation

Variability observed within groups in an experiment, indicating how much participants in the same group differ from each other.

Sum of Squares

The total of the squared differences between each observation and the mean of the data set, used in statistical analyses to measure variance.