Q.7. Find out the value of mode from the given data (use grouping method):

Dear student


Clearly, class 30-40 has maximum number of bars.So 30-40 is the modal class.So, l=30,h=10,f=21,f1=22,f2=19Now, Mode=l+f-f12f-f1-f2×h=30+21-2242-22-19×10=30+-101=30-10=20
Regards

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