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Customized presentations can be delivered at a low cost by unskilled salespeople with little training.
Alternative Hypotheses
Hypotheses that suggest there is a statistically significant difference between groups or variables, as opposed to the null hypothesis.
Null Hypothesis
A default hypothesis that assumes no significant difference or effect between groups or variables in a statistical test.
Hypothesis Testing
A method in statistics to decide whether to accept or reject a hypothesis based on sample data, to determine the likelihood that a parameter related to the population is true.
Research Hypothesis
A specific, testable prediction about the expected outcome of a study.
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