19biniasztear 19biniasztear

22-05-2020
Mathematics

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princedavidanicet6 princedavidanicet6

22-05-2020

Answer:

fx

2.5
42
80
91
40.5

sum of (fx)= 214

mean = £fx/ N

N=100

mean= 214÷100

mean = 2.14

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