Average Age of Students Participating in Quiz Competition 120 100 80 Girls Number of Students 60 Boys 40 20 O 15-16 17-18 19-20 Age Which of the following statements about the stack plot is true? There were more male students in the age group 19-20 than in the age group 15-16. There were more students in the age group 15-16 than in any other age group. There were more female students in the age group 17-18 than in any other age group. O There were more male students than female students in the age group 19-20