Question

How do in know that a question has CF instead of Frequency?

Answer 1

cf will keep increasing and will be highest at the end as well as in the question it must be given for example less than 20

less than 30 etc ok

hope it helps I'm too having maths board tomorrow

Answer 2

Answer:

Step-by-step explanation:

If the frequencies are given in ascending order or descending order then it is cf