Which of the Following Is the Definition of the "Arithmetic

question 381

Multiple Choice

Which of the following is the definition of the "arithmetic mean"?

• A) a statistical procedure that allows researchers to draw inferences about how statistically meaningful a study's results are
• B) an average that is calculated by adding up a set of quantities and dividing the sum by the total number of quantities in the set
• C) a commonly used measure of variability that indicates the average difference between scores in a distribution and their mean
• D) a statistical test that assesses how likely it is that a study's results occurred merely by chance so that the researcher knows that the probability that the difference is "real" is overwhelming

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Definitions:

True Statements

Assertions or claims that accurately reflect reality or are in accordance with facts.

Tautology

A redundant or repetitive statement in which the conclusion is identical to its premise in meaning.

Logic of Statements

The branch of logic that deals with the relationships between statements, including their validity and truth values.

Disjunction

A logical operation that combines two or more statements in such a way that the resulting statement is true if at least one of the original statements is true.