Q. 1 E3.7( 3 Votes )

Calculate the Ari

Answer :

GIVEN:


FORMULA USED:


Arithmetic mean =



∑f = 12 + 20 + 15 + 14 + 16 + 11 + 7 + 8


= 103


∑xf = 180 + 500 + 525 + 630 + 880 + 715 + 525 + 680


= 4635


Arithmetic mean =


Arithmetic mean = = 45


CONCLUSION: Arithmetic Mean of given data is 45


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