Measurements for entire populations are: choose one • 4 points • very easy to calculate • always done with big computers • for the most part, very impractical • the only way to obtain reliable data

Barrett is comparing the membership fees for two museums. the art museum charges a one-time fee of $8.25 plus $2.25 per month. the science museum charges a one-time fee of $10.75 plus $3.50 per month. how much does barrett save by joining the art museum instead of the science museum?