The dot plots show the forearm lengths of 2 groups of 10 students. what statements could be true

a. the standard deviation of group a is equal to the standard deviation of group b.

b. group a has greater variability than group b

c. all of the people in group a have longer forearms than the people in group b.

d. using only group a , the mean is equal to the median .

e. the meanbof group a's lengths is greater then the means of group b's lengths

Efficient homemakers ltd. makes canvas wallets and leather wallets as part of a money-making project. for the canvas wallets, they need two yards of canvas and two yards of leather. for the leather wallets, they need four yards of leather and three yards of canvas. their production unit has purchased 44 yards of leather and 40 yards of canvas. let x be the number of leather wallets and y be the number of canvas wallets. draw the graph showing the feasible region to represent the number of the leather and canvas wallets that can be produced.