Qalooca y = a + bx + cx²

Parabool ayaa dhibcaha ku habboon. alpha, STAT, 1 waxay muujinayaan koofishennada qalooca. a waa 5.357506761. b waa −3.120289663\displaystyle -3.120289663. c waa 0.503334057. Riix fallaarta hoose si aad u aragto R², koofishenka go'aaminta: 0.99994896. Rigreeshanka labajibbaaran ma laha koofishen isku-xidh r\displaystyle r.