un ‧ rep ‧ re ‧ sen ‧ ta ‧ tive /ˌʌnreprɪˈzentətɪv/ BrE AmE adjective
[ Word Family: noun : ↑ representation , ↑ representative ; adjective : ↑ representative ≠ ↑ unrepresentative , ↑ representational ; verb : ↑ represent ]
not typical of a particular group of things or people
unrepresentative of
opinions that are unrepresentative of the population