Analysis of variance (ANOVA) is a collection of statistical models and their associated estimation procedures (such as the "variation" among and between groups) used to analyze the differences among means.
ɐnˈæləsˌɪs ʌv vˈɛɹiəns ænˈoʊvə ɪz ɐ kəlˈɛkʃən ʌv stɐtˈɪstɪkəl mˈɑːdəlz ænd ðɛɹ ɐsˈoʊsɪˌeɪɾᵻd ˌɛstᵻmˈeɪʃən pɹəsˈiːdʒɚz sˈʌtʃ ɐz ðə "vˌɛɹɪˈeɪʃən" ɐmˌʌŋ ænd bᵻtwˌiːn ɡɹˈuːps jˈuːzd tʊ ˈænɐlˌaɪz ðə dˈɪfɹənsᵻz ɐmˌʌŋ mˈiːnz.