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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