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To find out the concentration of So, in the air (in parts per million, i.e., ppm), the datawas collected for 30 localities in a certain city and is presented below:ncentration of So, in ppm0.00-0.04 0.04-0.08 0.08-0.12 0.12-0.16 0.16-0.20 0.20-0.2424frequency9492.Find the mean concentration of So4, in the air. |
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