<prompt> Translate the following text to SwahiliFor example, a hypothetical study conducted in New York and one conducted in Seattle may report different C-R functions for the relationship between PM and mortality, in part because of differences between these two study populations e.g.  <response>: Kwa mfano, utafiti wa nadharia uliofanywa huko New York na moja iliyofanywa huko Seattle inaweza kuripoti kazi tofauti za C-R kwa uhusiano kati ya PM na vifo, kwa sehemu kwa sababu ya tofauti kati ya idadi hizi mbili za utafiti kwa mfano, C-R. 