\BeginKnitrBlock{exercise}\iffalse{-91-82-101-112-111-114-116-105-110-103-32-99-111-110-102-105-100-101-110-99-101-32-105-110-116-101-114-118-97-108-115-93-}\fi{}<div class="exercise"><span class="exercise" id="exr:unnamed-chunk-62"><strong>(\#exr:unnamed-chunk-62)  \iffalse (Reporting confidence intervals) \fi{} </strong></span>Look at the properties of the normal curve in Table \ref{Normal_perc} on page _DifferentNormalCurves_. What CI do scientists refer to when they report $\bar{x} \pm SEM$ in publications? Hint: Give the percent.</div>\EndKnitrBlock{exercise}