Q. 715.0( 2 Votes )

Age (in years) of

Answer :

Mode = it is the most repeated term in the given sat of data


Range = Highest – lowest


(A) For Group A


Mode = 7 and 10 years (Both repeated twice)


Range = Highest – lowest


= 10-7 = 3 years


For Group B


Mode = 12 years (repeated 3 times)


Range = Highest – lowest


= 12 – 7 = 5 years


(B) If both groups are joined


The data will be


7,7,7,8,9,9,10,10,11,12,12,12


Mode = 12 and 7 years (Both repeated thrice)


Range = Highest – Lowest


= 12 – 7


= 5 years


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