Investigating how cumulative frequency diagrams are used to estimate the medianand quartiles of a frequency distribution. Based on an applet available free at www.waldomaths.com.
@M88169 Join the top right points of your rectangles with straight line segments. Then you've got a cumulative frequency graph like the ones in the video.
5. What is the maximum possible value of the ordinate of a cumulative frequency distribution diagram?
i need answer, please
drbandar 1 week ago
@drbandar Which ordinate do you mean? The vertical one is 360. The horizontal one is somewhere between 7 and 8 - you don't know exactly where.
rfbarrow 1 week ago
how do i find a median using a cumulative histogram? NOT A LINE GRAPH
M88169 1 month ago
@M88169 Join the top right points of your rectangles with straight line segments. Then you've got a cumulative frequency graph like the ones in the video.
rfbarrow 1 month ago
rly good mate can u do one on Histograms?? thanks rly helped me for GCSE!!
rickstercrook 9 months ago
@rickstercrook Videos on histograms on my website waldomaths
rfbarrow 9 months ago