In a frequency distribution, if a = assumed mean = 55,∑ fi = 100, h = 10 and ∑ƒi μi = -30, then find the mean of the distribution * ans fast please I give 20 point
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In a frequency distribution, if a = assumed mean = 55,∑ fi = 100, h = 10 and ∑ƒi μi = -30, then find the mean of the distribution * ans fast please I give 20 point
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