Question

Find the mode if the class mark is given that less than 10-100 and no.Of students are 10,15,30,50,72,85,90,100

Answer 1

find the mean marks of a student from the following cumulative frequency distribution
marks number of students
0 and above 80
10 and above 77
20 and above 72
30 and above 65
40 and above 55
50 and above 43
60 and above 28
70 and above 16
80 and above 10
90 and above 8
100 and above 0

Answer 2

same answer same answer