In general application, such an oversight will lead to the average value artificially moving towards the middle of the numerical range.
ɪn dʒˈɛnɚɹəl ˌæplɪkˈeɪʃən, sˈʌtʃ ɐn ˈoʊvɚsˌaɪt wɪl lˈiːd tə ðɪ ˈævɹɪdʒ vˈæljuː ˌɑːɹɾɪfˈɪʃəli mˈuːvɪŋ təwˈɔːɹdz ðə mˈɪdəl ʌvðə nuːmˈɛɹɪkəl ɹˈeɪndʒ.