
 Question:
 Bestfit member within a distributional family?
 Definition:
 Vertical Axis: Probability plot correlation coefficient
 Horizontal Axis: Family tail or shape parameter
 Interpretation/Conclusion:
 Bestfit symmetric distribution is nearnormal
 Data is not longtailed
 Sample median would be a poor estimator of location
 NIST/SEMATECH Handbook Chapter:
 1.
Exploratory Data Analysis
 Reference:
 Filliben (1975), "The Probability Plot Correlation
Coefficient Test for Normality," Technometrics,
Vol. 17, No. 1.
