While the analysis of variance reached fruition in the 20th century, antecedents extend centuries into the past according to Stigler.
wˌaɪl ðɪ ɐnˈæləsˌɪs ʌv vˈɛɹiəns ɹˈiːtʃt fɹuːˈɪʃən ɪnðə twˈɛntiəθ sˈɛntʃɚɹi, ˌæntɪsˈiːdənts ɛkstˈɛnd sˈɛntʃɚɹiz ˌɪntʊ ðə pˈæst ɐkˈoːɹdɪŋ tə stˈɪɡlɚ.