Ex 14.1, 7 - To find out concentration of SO2 in the air - Mean

  1. Chapter 14 Class 10 Statistics
  2. Serial order wise
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Ex 14.1, 7 To find out the concentration of SO2 in the air (in parts per million, i.e., ppm), the data was collected for 30 localities in a certain city and is presented below. Find the mean concentration of SO2 in the air.

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