Examlex
The simple moving average method is primarily useful in determining the impact of trend on a time series.
Pearson Correlation
A measure of the linear correlation between two variables X and Y, giving a value between +1 and -1 inclusive.
Covariance
A statistic that indicates the degree to which two variables vary together.
Nonlinear Relationship
A type of relationship between two variables where there is not a straight-line or proportional association.
Null Hypothesis
A hypothesis that suggests no significant difference or effect in a study.
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