Debra is helping her little brother learn multiplication facts. Each week, she gives him a worksheet with 40 facts. When he's done, she checks his work and records the number he
got correct. Eventually, Debra decides to show the number correct from each week on a line
plot. Which of the following will it show? Select all that apply.
a) the number of times Debra's brother got 40 out of 40 correct
b) the total number of weeks
c) whether Debra's brother improved each week
d) the lowest number of correct answers