What Is Pooled Variance

question 23

Multiple Choice

What is pooled variance?

• A)The weighted average of the two sample variances.
• B)The variance of the difference between the sample means.
• C)The sum of the two sample variances.
• D)The variance of the populations from which the samples were drawn.

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Definitions:

SalesTax

A specific percentage added to the price of goods and services that is paid to governing authorities, often used in programming scenarios for financial applications.

Wrapper Classes

Classes in Java that provide a way to use primitive data types (int, char, etc.) as objects.

Boolean

A data type that can only hold the values true or false.

Wrapper Classes

In Java, classes that provide a way to use primitive data types (int, char, etc.) as objects.