Examlex
What are the two conflicting goals that advertisers face when choosing advertising media? What is the relationship of reach and frequency to these goals?
Alternative Hypothesis
The hypothesis that proposes a specific relationship between variables, contrary to the null hypothesis.
Directional Hypothesis
A hypothesis that specifies the direction of the expected difference or relationship between two variables.
Null Hypothesis
A statement in statistics that there is no significant difference or effect, and any observed difference is due to sampling or experimental error.
Alternative Hypothesis
A statistical hypothesis that suggests a difference or effect, opposite to the null hypothesis.
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