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0.2,0.8,0.9,0.90.2,0.8,0.9,0.9. Find the mean

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Full solution

Q. 0.2,0.8,0.9,0.90.2,0.8,0.9,0.9. Find the mean
  1. Mean Calculation: To find the mean (average) of a set of numbers, we add all the numbers together and then divide by the number of numbers.\newlineCalculation: (0.2+0.8+0.9+0.9)/4(0.2 + 0.8 + 0.9 + 0.9) / 4
  2. Adding Numbers: Adding the numbers together: 0.2+0.8+0.9+0.9=2.80.2 + 0.8 + 0.9 + 0.9 = 2.8
  3. Dividing Sum: Dividing the sum by the number of numbers: 2.8/4=0.72.8 / 4 = 0.7

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