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The mean is calculated as: Σfx / Σf = (2×3) + (3×8) + (5×13) + (7×18) + (4×23) / 2+3+5+7+4 = 21 Therefore, the mean is 21. STATISTICS • FIND MEDIAN CLASS FREQUENCY(f) MIDPOINT(x) 1–5 2 3 6 – 10 3 8 11 – 15 5 13 16 – 20 7 18 21 – 25 4 23

Author

Sarathy Hari Kumar

Language

EN