A _______ Is a Hypothesis That Reflects the Difference Between

question 31

Multiple Choice

A _______ is a hypothesis that reflects the difference between groups but does not specify the direction of the difference.

• A)null hypothesis
• B)directional research hypothesis
• C)nondirectional research hypothesis
• D)none of these

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Definitions:

Population Average

The mean value of a particular characteristic or measurement across an entire population.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, indicating how much individual values in a dataset differ from the mean.

Statistical Significance

A measure that indicates whether the results of a study are likely not due to chance.

Scatterplot

A type of graph used in statistics to display values for typically two variables for a set of data, where each dot represents one observation.