% Hiver 7.94286 0.10696
% Printemps 7.9150 0.19172
% Ete 7.67125 0.17511
% Automne 7.76667 0.11923
xm=[7.94286,7.9150,7.67125,7.76667];
xs=[0.10696,0.19172,0.17511,0.11923];
xn=[21,18,24,27];
xb=sum(xn.*xm)/sum(xn)
SSG=sum(xn.*(xm-xb).^2)
SSE=sum((xn-1).*xs.^2)
MSG=SSG/3
MSE=SSE/(sum(xn)-3)
F=MSG/MSE
fp(F,3,86)
