BBC4 年
Cumulative frequency diagrams – Higher
To calculate the cumulative frequencies, add the frequencies together. A cumulative frequency diagram is drawn ... Reading from the graph, the lower quartile is 38. To find the upper quartile ...
BBC4 年
Cumulative frequency diagrams – Higher
A cumulative frequency diagram reproduces this table as a graph. The table below shows the lengths of 40 babies at birth. To calculate the cumulative frequencies, add the frequencies together.