The arithmetic mean can be similarly defined for vectors in multiple dimensions, not only scalar values; this is often referred to as a centroid.
ðɪ ɚɹˈɪθmətˌɪk mˈiːn kæn biː sˈɪmɪlɚli dᵻfˈaɪnd fɔːɹ vˈɛktɚz ɪn mˌʌltɪpəl dᵻmˈɛnʃənz, nˌɑːt ˈoʊnli skˈeɪlɚ vˈæljuːz; ðɪs ɪz ˈɔfən ɹᵻfˈɜːd tʊ æz ɐ sˈɛntɹɔɪd.