Mathematics for IGCSE & O level - Categorical, Numerical And Grouped Data (Section 7 - No. 41)

How can you check that you did the survey correctly?

You do not need to check that you did the survey correctly.

You can go over the survey with few people.

By asking yourself if the questions are leading or not.

You have to give the survey to the general population to check.

This is called a pilot survey. You can then review the questions again.