Find the modal class of the following distribution. ClassFrequency0−1003100−20013200−30024300−4008400−50016500−60022600−70018700−8009
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]