ue7_3

function result = u3()
r = round(rand(4,6)*10)
add = sum(r(:,1))


if(add>305)
    result = mean(r(:,5));
elseif(add<295)
    result = mean(r(:,4));
elseif(305>add>295)
    result = mean(r(:,6));
end


subplot(2,2,1); hist(r)
subplot(2,2,2); hist(mean(r))
subplot(2,2,3);maxW=max(r);hist(maxW)
subplot(2,2,4);minW=min(r);hist(minW)

end