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Taylor received a brochure in the mail that promoted a low-cost insurance plan for retired teachers.It did not come in an envelope but was a single page,folded and stapled.Her address was written in a blank area on one side.This advertisement is an example of a
Sampling Distribution
The probability distribution of a given statistic based on a random sample.
Mean
The mathematical average of a set of numbers, calculated by adding them up and dividing by the count of those numbers.
Directional Null Hypothesis
A null hypothesis that specifies the direction of the expected difference or relationship between two variables, which is not a standard form of null hypothesis and might be considered a misinterpretation, as null hypotheses typically state there is no effect or difference.
Directional Alternative Hypothesis
A hypothesis that specifies the direction of an expected difference or relationship, not just the existence of a difference.
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