The Maximum Level of Validity Possible Is Equal to ______

question 52

Multiple Choice

The maximum level of validity possible is equal to ______.

• A)the square of the reliability coefficient
• B)the square root of the reliability coefficient
• C)the cube of the reliability coefficient
• D)the square root of the reliability coefficient,plus 1

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Definitions:

Z-test

A Z-test is a statistical test used to determine whether two population means are different when the variances are known and the sample size is large.

Sample Mean

The sample mean is the average value of a sample set of numbers, calculated as the sum of the individual values divided by the number of values in the sample.

Population Mean

The average of all the items in a population, representing the central tendency.