\BeginKnitrBlock{exercise}\iffalse{-91-69-120-112-108-111-114-105-110-103-32-116-104-101-32-78-111-116-109-97-108-32-100-105-115-116-114-105-98-117-116-105-111-110-93-}\fi{}<div class="exercise"><span class="exercise" id="exr:unnamed-chunk-46"><strong>(\#exr:unnamed-chunk-46)  \iffalse (Exploring the Notmal distribution) \fi{} </strong></span>Given our assumptions about the distributions of  Martian height at site I and II, which site do you think this Martian came from, and why?</div>\EndKnitrBlock{exercise}