Examlex
Exponential smoothing and moving averages are especially useful for data with a clear trend.
Level of Significance
The probability of rejecting the null hypothesis in a statistical test when it is actually true; a measure of how unlikely results are due to chance.
Degrees of Freedom
The amount of free variables or measures that may change within an analysis while still adhering to all limitations.
T-statistic
A type of statistic used to estimate the significance of a difference between two sample means, given in terms of standard error.
Alpha
In statistical hypothesis testing, it represents the probability of committing a Type I error; the threshold significance level.
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