If the Five Applicants for the Chief Financial Officer Position

question 4

Multiple Choice

If the five applicants for the chief financial officer position of ABC Company are highly qualified, the company should use a test that

• A)has easier items.
• B)discriminates 20% of the time.
• C)contains mostly difficult items.
• D)contains items ranging in difficulty from .30 to .70.

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Definitions:

Mean

The average of a set of numbers, calculated by adding all values together and dividing by the number of values, a central measure of location in statistics.

Continuous Random Variable

A random variable that can take any value in a continuum or uncountable range.

P(x > a)

The probability that a random variable x will take a value greater than a specified number a.

P(x < a)

This notation represents the probability that a random variable x is less than some value a.