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Douzenis, Cordelia; Rakow, Ernest A. – 1987
Outliers, extreme data values relative to others in a sample, may distort statistics that assume internal levels of measurement and normal distribution. The outlier may be a valid value or an error. Several procedures are available for identifying outliers, and each may be applied to errors of prediction from the regression lines for utility in a…
Descriptors: Correlation, Data Analysis, Data Interpretation, Statistical Analysis
