To find out the concentrations of `S O_2` 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 `S O_2` (in ppm) Frequency 0.00 - 0.04 4 0.04 - 0.08 9 0.08 - 0.12 9 0.12 - 0.16 2 0.16 - 0.20 4 0.20 - 0.24 2 Find the mean concentration of `S O_2` in the air.

To find out the concentration of S O_2 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 S O_2 in the air.

Given below is the frequency distribution table regarding the concentration of sulphur dioxide in the air in parts per million of a certain city for 30 days. Conc. of S O_2 0.00-0.04 0.04-0.08 0.08-0.12 0.12-0.16 0.16-0.20 0.20-0.24 No of days: 4 8 9 2 4 3 Find the probability of concentration of sulphur dioxide in the interval 0.12-0.16 on any of these days.

Given below is the frequency distribution table regarding the concentration of sulphur dioxide in the air in parts per million of a certain city for 30 days. {:("Concentration", 0.00-0.04, 0.04-0.08, 0.08-0.12, 0.12-0.16, 0.16-0.20, 0.20-0.24), ("No. of days":, 4, 8, 9, 2, 4, 3):} Find the probability of concentration of sulphur dioxide in the interval 0.12-0.16 on any of these days.

A study was conducted to find out the concentration of sulphur dioxide in the air i n parts per million (ppm) of a certain city. The data obtained for 30 days is as follows: 0.03 0.08 0.08 0.09 0.04 0.17 0.16 0.05 0.02 0.06 0.18 0.20 0.11 0.08 0.12 0.13 0.22 0.07 0.08 0.01 0.10 0.06 0.09 0.18 0.11 0.07 0.05 0.07 0.01 0.04 For how many days, was the concentration of sulphur dioxide more than 0.11 parts per million?

A study was conducted to find out the concentration of sulphur dioxide in the air in parts per million (ppm) of a certain city. The data obtained for 30 days is as follows: 0.03 0.08 0.08 0.09 0.04 0.17 0.16 0.05 0.02 0.06 0.18 0.20 0.11 0.08 0.12 0.13 0.22 0.07 0.08 0.01 0.10 0.06 0.09 0.18 0.11 0.07 0.05 0.07 0.01 0.04 (i) Make a grouped frequency distribution table for this data with class intervals as 0.00 - 0.04, 0.04 - 0.08, and so on. (ii) For how many days, was the concentration of sulphur dioxide more than 0.11 parts per million?

A study was conducted to find out the concentration of sulphur dioxide in the air in parts per million (ppm) of a certain city. The data obtained for 30 days is a follows : (i) Make a grouped frequency distribution table for this data with class-intervals as 0.00-0.04, 0.04-0.08 and so on. (ii) For how many day's was the concentration of sulphar dioxide more than 0.11 parts per million (ppm)?

A study was conducted to find out the concentration of sulphur dioxide in the air i n parts per million (ppm) of a certain city. The data obtained for 30 days is as follows: 0.03 0.08 0.08 0.09 0.04 0.17 0.16 0.05 0.02 0.06 0.18 0.20 0.11 0.08 0.12 0.13 0.22 0.07 0.08 0.01 0.10 0.06 0.09 0.18 0.11 0.07 0.05 0.07 0.01 0.04 Make a grouped frequency distribution table for this data with class intervals as 0.00-0.04, 0.04-0.08, and so on.

0.4 x + 0.3 y = 1.7 , 0.7 x - 0.2 y = 0.8

A study was conduced to find out the concentration of sulphur dioxide in the air in parts per million (ppm) of a certain city. The data obtained for 30 days is as follow: {:("0.03 0.08 0.08 0.09 0.04 0.17"),("0.16 0.05 0.02 0.06 0.18 0.20"),("0.11 0.08 0.12 0.13 0.22 0.07"),("0.08 0.01 0.10 0.06 0.09 0.18"),("0.11 0.07 0.05 0.07 0.01 0.04"):} You were asked to prepare a frequency distribution table, regarding the concentration of sulphur dioxide in the air in parts per million of a certain city for 30 days. Using this table, find the probability of the concentration of sulphur dioxide in the interval 0.12-0.16 on any of these days.