Given the Following ANOVA Table (Some Information Is Missing), Find

question 81

Multiple Choice

Given the following ANOVA table (some information is missing) , find the F statistic. $$\begin{array} { l c c c c } \hline \text { Source } & \text { Sum of Squares } & d f & \text { Mean Square } & F \\\hline \text { Treatment } & 744.00 & 4 & & \\\text { Error } & 751.50 & 15 & \\\hline \text { Total } & 1,495.50 & 19 & \\\hline\end{array}$$

• A)3.71
• B)0.99
• C)0.497
• D)4.02

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Definitions:

Internal Validity

The extent to which a study establishes a trustworthy cause-and-effect relationship between a treatment and an outcome.

Observed Score

The score actually obtained by an individual on a test or measurement.

True Score

The true score in psychometrics is an estimate of an individual's actual ability or trait level, free from measurement error.

Error Score

The difference between an observed value and the true value in data collections or experiments, indicating the amount of error in measurements.