Seudónimo Seudónimo

31-08-2021
Mathematics

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If Σfx = 60+45a and Σf = 12+9a , find the mean.

Respuesta :

bistarachana59 bistarachana59

31-08-2021

Step-by-step explanation:

Σfx = 60+45a

Σf = 12+9a

Now

Mean =Σfx/Σf

= 60+45a/12+9a

=105/21 (a has been canceled)

=5

Therefore mean =5

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