Question

convert the following cumulative frequency series into a simple frequency series
1. 4 student obtain less then 10 marks
2. 20 students obtain less than 20 marks
3. 40 student obtain less than 30 marks
4. 48 students obtain less than 40 marks
5. 50 students obtain less than 50 marks​

Answer 1

Answer:

10

58

68

Explanation:

please mark as brainliest

Answer 2

Answer:

10

58

58

Explanation:

Hope this helps you