jˈuːs ʌv wˈaɪbʊl dˌɪstɹɪbjˈuːʃənz ænd lˈiːst skwˈɛɹ ɐnˈæləsˌɪs hˈɛlpt stˈɑːəl ænd dˈʌn kənfˈɜːm ðæt ðɪs mˈɛθəd kæn biː jˈuːzd bˈækwɚd tʊ ˈɛstᵻmˌeɪt ɹᵻdˈʌkʃən stˈeɪdʒᵻz ʌv pɚtˈɪkjʊlɚ dˈɛbɪɾɪdʒ fɹˈiːkwənsiz.
Use of Weibull distributions and least square analysis helped Stahle and Dunn confirm that this method can be used backward to estimate reduction stages of particular debitage frequencies.