Find the value of - f i x i when the mean -6 and N -9-A- 44B- 40C- 42D- 54

The correct option is D 54We know that, nbsp; Mean = ∑ f_i x_i/N We are given, Mean = 6 nbsp; N = 9 Now we can write, nbsp; 6 = ∑ f_i x_i/9 ∴ nb ...

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Arithmetic Mean from Frequency Table

Find the valu...

Question

Find the value of $\sum f_{i} x_{i}$ when the mean = 6 and N = 9.

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