How to correct figure size for plots?

This is the outcome of my plot figure. where the graphs are small and all the wording overlaps:

This is what I would like it to look like:

How do I correct this? I have attached the code I am using for a 1030x9 Matrix called ConcreteData.

Answer 1

[KSSV]

set(gcf, 'color','w','Position',[680, 250,1600,846]);  % change the dimenions of figure here 
t1 = tiledlayout(4,2,'TileSpacing','tight','Padding','compact') ;
for i = 1:8
    ax(i) = nexttile(t1);
    plot(rand(1,10)) ;
end

[Lauren-Xante Claassen]

Thank you, that was extremely helpful!