Question

Construct a grouped frequency table with class intervals 0-5,5-10 and so on for the following marks obtained in Maths (out of 50) by a group of 35 students in an examination:
0,5,6,7,10,12,14,15,20,22,25,26,27,8,11,17,3,6,9,17,19,21,22,29,31,35,37,40,42,45,49
,4,50,16,20
(i) What is the range of the data?
(ii) Which group contains the maximum number of students?

Answer 1

20 is the range
I don’t know the 2nd one sorry