Determine the weight of the weighted arithmetic mean if the angles and – McqOptions

MCQOPTIONS

1.	Determine the weight of the weighted arithmetic mean if the angles and their weights are given as 40 56 2 , 40 56 7 , 40 56 12 and 5, 4, 9 respectively.
A.	13
B.	18
C.	81
D.	10
Answer» C. 81

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