having problems working this problem out please solve

Question

49 5/2

Answer 1

49 5/2 = 51 1/2

Answer 2

create a frequency table, frequency polygon, and a histogram for the following question.here is a list of scores taken by 25 students, the numbers are 30,95,34,78,100,85,50,50,30,60,34,56,67,28,98,78,56,67,90,30,30,69,45,36,and 45.it has a interval of 20 and starts at 30,then 50.