The marks (out of 100) obtained by a group of students in a science test are 85,76,90,85,39,48,56,95,81, and 75. What is the range of marks that is scored by the maximum number of students?
The marks scored by 13 students are given as: 6,7,3,7,6,9,4,6,10,4,6,8,9. What is the frequency of students who scored at least 7 marks?
The marks scored out of 10 by 13 students of a class are given as: 6,7,3,7,6,9,4,6,10,4,6,8,9
What is the frequency of students who scored more than 6 marks?