The table summarises the available weights in OCR Large Data Set 9.
GroupNumberMean weight (kg)Sample standard deviation (kg)Male9582.6919.98Female10172.5019.95\begin{array}{c|ccc}\text{Group}&\text{Number}&\text{Mean weight (kg)}&\text{Sample standard deviation (kg)}\\\hline\text{Male}&95&82.69&19.98\\\text{Female}&101&72.50&19.95\end{array}GroupMaleFemaleNumber95101Mean weight (kg)82.6972.50Sample standard deviation (kg)19.9819.95
Make two comparisons between the distributions of male and female weights.