The scatter plot below shows the shoe sizes of students and the number of books the students collected for the library book drive

which statement about scatterplot is true

a. in general, each student collected a number of books equal to his or her shoe size

b. in general the shoe size of a student does not affect the number of books collected

c. as the shoe size increases the number of books collected decreases

4.as shoe size increases ,the number of books collected decreases