Examlex
Which of the following inferential statistical tests can be used for examining differences among means? (Assume the data are interval or ratio.)
Household Income
The combined gross income of all members of a household who are 15 years old and older, whether related or not.
Null Hypothesis
A statistical hypothesis that assumes no significant difference or effect exists between certain datasets or populations being compared.
High School GPA
An average score representing a high school student's academic performance, usually on a 4.0 scale.
F-Ratio
Statistic used to test differences between group means.
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