Average number of Sold Nokia Mobile in all these 6 months is how much more or less than Average number of Sold Samsung Mobile in all these 6 months?
Average Number of Sold Nokia Mobile in all these 6 months = (250 + 280 + 350 + 300 + 230 + 360)/6 = 295 Average Number of Sold Samsung Mobile in all these 6 months = (240 + 350 + 380 + 240 + 360 + 350)/6 = 320 Required difference = 320 - 295 = 25
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