In the past Sam cashed his paycheck each month at ready cash, a check cashing service that charges a 5% fee. He recently opened a checking account at Bank of America so he can now deposit and/or cash his paycheck without a fee. If Sam is making 28,500 per year, how much will he save by not going to ready cash anymore

The stem-and-leaf plot shows the heights in centimeters of teddy bear sunflowers grown in two different types of soil. soil a soil b 5 9 5 2 1 1 6 3 9 5 1 0 7 0 2 3 6 7 8 2 1 8 3 0 9 key: 9|6 means 69 key: 5|8 means 58 calculate the mean of each data set. calculate the mean absolute deviation (mad) of each data set. which set is more variable? how do you know?