<prompt> Translate the following text to SwahiliThe Alternative Estimate addresses this issue by using an estimate of the value of statistical life that is based only on the set of five contingent valuation studies included in the larger set of 26 studies recommended by Viscusi 1992 as applicable to policy analysis.  <response>: Mfano wa tathmini ya mabadiliko ni tathmini ya thamani ya maisha ya takwimu, ambayo inategemea tu seti ya masomo matano ya tathmini ya hali ya juu, pamoja na seti kubwa ya masomo 26 yaliyopendekezwa na Viscusi 1992 kama inatumika kwa uchambuzi wa sera. 