Mathematics for IGCSE & O level - Statistical Diagrams (Section 3 - No. 22)
What is the purpose of a cumulative frequency diagram?
To show the relationship between two categorical variables.
To estimate the median and quartiles of a dataset.
To display the range of a dataset.
To show the frequency of each data point.
解释
Cumulative frequency diagrams are used to find the median, quartiles and the percentiles.