Examlex
Dow theory is a method of predicting future market movements based on which of the following Dow Jones averages?
I. industrial
II. transportation
III. utilities
IV. commodities
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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