icular articles have been classified according to their weights. After dryin es have again been weighted and similarly classified. It is known that th weighting was 20.83gm while it was 17.35gm in the second weightin in the first weighting and X and Y in the second weighting are missing the values of A, B, X and Y Class 0-5 5-10 10-15 15-20 20-25 25-30 Frequencies 1st weighting 2nd weighting A X B 11 52 75 22 Y 40 50 30 28
