Question

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: Concentration of SO2 (in ppm) 0.00−0.04 0.04−0.08 0.08−0.12 0.12−0.16 0.16−0.20 0.20−0.24 Frequency 4 9 9 2 4 2 Find the mean of concentration of SO2 in the air.(by assumed mean method only)

Answer 1

Answer:

here is your answer

Step-by-step explanation:

The mean concentration is 0.099 ppm