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Precision Estimates for AASHTO Test Method T308 and the Test Methods for Performance-Graded Asphalt Binder in AASHTO Specification M320 (2005) / Chapter Skim
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... A-1 APPENDIX A: Description of Hoaglin et al. Outlier Method The method of identifying invalid data and outliers is a slightly modified version of a method for determining extreme data values described by Hoaglin et al.1 This method uses the range of the two inner quartiles of a data set to determine the cut off values for outlying data and extreme outlying data: )
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