height in centimetres of 50 students in a class is given below 168.9 163.1 161.5 168.0 167.1 157.3 163.9 168.9 166.7 160.8 161.3 classify the above data by using exclusive method of classification take the first class interval as 157 - 160
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mister kuch nhi aata to hamara dimag to mat khao
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