Jennife is ordering 600 mm length aluminum sheets for her company. she finds two different suppliers and orders a box of 40 sheets from each company. she then measures each sheet and creates the dotplot to compare the companies. which statement correctly compares the distributions? a) supplier a consistently has the correct length for the aluminum sheets. b) on average, supplier b's sheet could be at least 3 mm smaller than the advertised length. c) on average, the length of supplier b's sheets is 2 mm greater than that of supplier a's sheet. d) even though there is more variability in supplier b's length, on average they have the correct length.