the am of 10 numbers is 10, the am of 15 numbers is 10, am of combined data is
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Answer:
20
Sum X / 10 = 10
Sum X = 10×10
Sum X = 100
sum Y / 15 = 10
sum Y = 15×10
Sum Y = 150
Am of combined data = (Sum X + Sum Y) / (10+15)
= (100+150) / (25)
= 250 / 25
= 10
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