What does a p-value represent in statistical tests?
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True or False: The p-value is a proportion. If your p-value is 0.05, it means that 5% of the time, you would observe a test statistic at least as extreme as the one you found if the null hypothesis were true.
True
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Since p (.04) < a (.05), p < Îą, do we accept or reject the null hypothesis?
We reject the null hypothesis
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What are levels of measurement?
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What is a Parameter?
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For comparing the means of two separate groups, which is the best test?
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True or False. When p > Îą, you should fail to reject the Null hypothesis.
True
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True or False: Sigma represents the standard deviation of a population?
True
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True or False. The divisor for the standard deviation of a sample is n-1?