Chatna Is a Math Teacher

question 59

Multiple Choice

Chatna is a math teacher. She teaches two sections of math and wants to make sure her students don't cheat on the test. She creates two different versions of a math test, and ensures that they measure the same thing and are equally difficult. Chatna has established:

• A)content validity.
• B)parallel forms reliability.
• C)internal consistency.
• D)concurrent validity

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Definitions:

Process Central Line

A line on a control chart representing the average or expected value of the process being monitored.

X-bar Chart

A type of control chart used for monitoring the mean value of a process over time.

Natural Variation

Variability that affects every production process to some degree and is to be expected; also known as common cause.

Standard Deviations

A measure of the amount of variation or dispersion of a set of values, indicating how much individual data points differ from the mean.