Mathematics for IGCSE & O level - Categorical, Numerical And Grouped Data (Section 4 - No. 48)
What does a questionnaire help you with?
To gather data by asking different sets of questions.
To show how to calculate an average.
To compare the range of a data.
To calculate the mean from a set of data.
Explanation
A questionnaire is a good way of collecting data.
Comments (0)
