The Sum of All Values Divided by the Number of Values

question 73

Multiple Choice

The sum of all values divided by the number of values equals the:

• A) mode
• B) mean
• C) weighted mean
• D) median

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Definitions:

Regression

A statistical method used to determine the relationship between two or more variables, where one or more independent variables are used to predict the outcome of a dependent variable.

Analysis of Variance

A statistical procedure used to compare the means of three or more samples to determine if at least one of the sample means is significantly different from the others.

Null Hypothesis

A default hypothesis that there is no significant difference or effect, used as a starting point for statistical testing.

Test Statistic Value

A value derived from sample data during a hypothesis test, used to determine whether to reject the null hypothesis within the context of the test.