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Solution: Class Frequency (D (1) (2) 80-85 6 85-90 12 90-95 23 95-100 35 100-105 24 105-110 10 n = 110 Mid value (x)
Solution: Class Frequency (D (1) (2) 80-85 6 85-90 12 90-95 23 95-100 35 100-105 24 105-110 10 n = 110 Mid value (x) (3) 82.5 87.5 92.5 97.5 102.5 107.5 1050 2127.5 3412.5 2460 1075 x = 10620 40837.5 91875 196793.75 332718.75 252150 115562.5 2 - 1029937.5 (6) 6 18 41 76 100 110
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