justinprice8793 justinprice8793 20-12-2022 Mathematics contestada A potal worker randomly elected package that were proceed at the taffed counter and package that were proceed at the elf-erve tation and recorded their weight. The table how the reult. Counter Self−Serve n=51 x=14. 5 lb =3. 1 lb n=39 x=6. 4 lb =1. 3 lb
