anscombe test for heteroskedasticity

abdominal pain atheroembolisms azetomycin brake-shoe clearance butter-knife congestine cyber-capitalism de facto boundary frighten by horizontal-spindle surface grinding machine myelinophagia put one's spoon into other's broth reel carrier sand sticking semi-armour piercing incendiary slow access memory spherophakia thrix tuberculosis of serous membrane wide-grip