Examlex
In describing the user characteristics of a product for a consumer profile study,what types of information should be included in the profile?
Null Hypothesis
A statement in statistics that there is no significant difference or effect, used as a default assumption until evidence suggests otherwise.
Alternative Hypothesis
An assertion stating a significant difference or relationship exists in the context of statistical testing, contrary to the null hypothesis's claim of no effect.
Sample Data
A subset of data collected from a larger population, used to estimate or infer characteristics of the whole population.
Test Statistic
A value calculated from sample data, used to decide whether to reject the null hypothesis in a statistical test.
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