x = 1:20;
y1 = randn(1,20);
y2 = randn(1,20)*1.5 + 2;

figure

subplot(3,3,[1,4,7])
h = histogram(y1);
h.EdgeColor = "none";
box off
xlabel("Y1"); ylabel("Count")

subplot(3,3,[2,3,5,6])
plot(y1,y2,'bs')
box off
xlabel("Y1"); ylabel("Y2")

subplot(3,3,[8,9])
plot(x,y1,'rs-')
box off
xlabel("X"); ylabel("Y1")

sgtitle("Good Luck!")