7. To find out the concentration of sol in the air in
parts per million ie, ppm the data coas collected for
30 localities in a certain city and is presented below:
concentrabian of so, in ppm 0.00 0.04 0.04-008 0.08-0.00 120 15 0-505 0.90 02
Frequency
9
4 니
Find the mean concentration of so in the air
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Step-by-step explanation:
who all have subdcribed this channel:oops::oops::oops::oops:
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