<prompt> Panga wigo wa seti uliyopewa ya data.2, 3, 4, 9, 15, 22, 25, 31, 33  <response>: Seti ya data 2, 3, 4, 9, 15, 22, 25, 31, 33 inaweza kugawanywa katika vikundi vitatu: chini 2, 3, 4, kati 9, 15, 22, na juu 25, 31, 33. 