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Your 15-year-old cousin exaggerates his performance in nearly every story that he tells. He claims to be a better athlete than he is, a better musician than he is and much more popular than he actually is. To what type of self is he referring?
Null Hypothesis
In statistical hypothesis testing, a statement that there is no effect or no difference, and any observed deviation from this is due to sampling or experimental error.
Significance Level
The probability of rejecting the null hypothesis in a statistical test when it is actually true, commonly denoted by alpha.
P-value
A measure in statistics that helps to determine the significance of results obtained in hypothesis testing, indicating the probability of observing the results if the null hypothesis is true.
Standard Error
The standard deviation of the sampling distribution of a statistic, usually the mean, indicating the precision of an estimate.
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