If the class mark of continuous frequency distribution are 22, 30, 38 , 46 , 54 , 62 then find the class corresponding to the class mark 46

difference between class marks = 8
8/2 = 4
lower limit = 46 - 4 = 42
upper limit = 46 + 4 = 50
Hence, the corresponding class interval is 42-50
 

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