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Hypothesis testing- statistical method that uses sample data to evaluate a…
Hypothesis testing- statistical method that uses sample data to evaluate a hypothesis about a population
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Directional (one-tailed) hypothesis- statistical hypothesis specify when an increase or decrease in the population mean
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One tailed- allows you to reject the null hypothesis the null hypothesis when the difference between the sample and the population is relatively small, as long as the difference is in the specified direction
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Measuring effect size- intended to provide a measurement of the absolute magnitude of a treatment effect, independent of the size of the sample being used
Power of a hypothesis test is defined as the probability that the test will correctly reject the null hypothesis if the treatment really has an effort
to calculate power, it is necessary to first make assumptions about a variety of factors that influence that outcome
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