1.

Calculate the arithmetic mean from the following table:Height (in Inches):No. of Persons :5.58 60 62 64 66 6812 14 20 13 85

Answer»

total = 12+14+20+13+8+5 = 42sum = 58x12 + 60x14 + .......+ 68x5 = 1406240

mean = sum/total = 1406240 / 42 = 33481.9



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