Cumulative Frequency Curve Median. As 50 of 69 is 345 we start with the cumulative frequency of 345 and find the corresponding time. 45 34 134 45.
Get Question Papers of Last 10 Years Which class are you in. We may also read off the lower and upper quartiles and the median and find the inter quartile range. Watch Ogives - Cumulative Frequency Curve in English from Cumulative Frequency Curve and Frequency Polygon and Frequency Curve and Range and Mean Deviation and Histograms here.
Find the inter-quartile range how to draw a cumulative frequency curve for grouped data How to find median and quartiles from the cumulative frequency diagram with video lessons examples and step-by-step solutions.
If you draw both the curves on the same graph the point at which they intersect the corresponding value on the x-axis represents the Median of the given data set. The 4th value is 6. Hence the median of given frequency distribution is 2000. We may also read off the lower and upper quartiles and the median and find the inter quartile range.
