ANOVA(analysis of Variance)is an Investigation of the Differences Between the Group

question 27

Multiple Choice

ANOVA(analysis of variance) is an investigation of the differences between the group means to ascertain whether:

• A)Sampling errors or true population differences explain their failure to be equal.
• B)True population differences explain failure to be equal.
• C)Sampling errors or true population differences explain their true equality.
• D)Sampling errors explain the failure to be equal.

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Definitions:

Null Hypothesis

A hypothesis that suggests there is no statistical significance between the two variables in the hypothesis.

Null Hypothesis

An assumption made for statistical testing that indicates no effect or no difference, used as a basis for comparison.

Test Statistic

A value calculated from sample data during hypothesis testing. It is used to decide whether to reject the null hypothesis.

Population Mean

The average value of a set of characteristics for an entire population.