Plot the graph for the equation y = 0.3x, when the values of x are 200, 400, 600, and 800.
The median of the following data is 525. Find the values of x and y, if the total frequency is 100. Class IntervalFrequency0−1002100−2005200−300x300−40012400−50017500−60020600−700y700−8009800−9007900−10004 [4 MARKS]