Judy Subtracts Each Score from the Mean, Squares Each Value

question 6

Multiple Choice

Judy subtracts each score from the mean, squares each value, and then determines the mean of these squared values. Which measure of spread is Judy calculating?

• A) the interquartile range
• B) the crude range
• C) the standard deviation
• D) the variance

---

Definitions:

RuntimeException

A type of unchecked exception in Java that represents problems that can occur during the runtime of a program.

Java.io

A package in Java that includes classes for system input and output through data streams, serialization, and the file system.

NullPointerException

An exception thrown in programming when attempting to access or modify a null object reference.

Instantiated

The process of creating a specific instance of a class in object-oriented programming.