<prompt> Translate the following text to EnglishIkiwa hii sio fomu sahihi ya kazi ya C-R, au ikiwa hali fulani zinatabiri mkusanyiko juu ya safu ya maadili ambayo kazi ya C-R ilifanywa, vifo vilivyopuuzwa vinaweza kukadiriwa vibaya.  <response>: If this is not the correct form of the C-R function, or if certain scenarios predict concentrations well above the range of values for which the C-R function was fitted, avoided mortality may be misestimated. 