Yes, second-order/biquad sections are less sensitive to coefficient quantization than high-order filters. I think they benefit from interleaving zero+pole stag

Yes, second-order/biquad sections are less sensitive to coefficient quantization than high-order filters. I think they benefit from interleaving zero+pole stages as well. You can even ask MATLAB to generate the (z,p,k) form directly rather than (b,a) form when using its filter-design functions, saving a step (just ask for a three-argument result instead of a two-argument result). (I am not an expert but I just so happened to have run across this feature and explanation last week, after vaguely remembering from college that biquad sections are "better" for some reason.)