Here, 5 students have scored marks below 10, i. e. it lies between class interval 0-10 and 9 students have scored marks below 20. So, marks of (9 – 5) = 4 students lie in the class interval 10-20.

Continuous data can take any value so before representing it in a table or chart, it must be grouped into distinct class intervals close class intervalsThe range of values allowed within that band ...

Free interactive and download to print GCSE Maths flashcards to help prepare for your GCSE exams. Revise topics such as probability, collecting data, representing data and analysing data ...