Question

61 A study was conducted to find out the
concentration of sulphur dioxide in the
aur in patts per million (ppm) in a city
the obtained data is of 30 days are
as follows
0.03 0.00 0.08 0.04 0.09 0.07 0.16
O. OS 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
006 0.09 0.18 0.11 0.07 0.01 0.04 0.05
0.07 make the grouped Prequency
distribution table for this data in
class interval as 0.00-0.04,0-04-0or
and so on.​

Answer 1

Answer:

Answer

Open in answr app

Concentration of

sulphur dioxide (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

Total 30

(i) The figure above is the grouped frequency distribution.

(ii) The number of days for which concentration of SO

2

is more than 0.11→0.12−0.16,0.16−0.20,0.20−0.24

∴ Total number of days =2+4+2=8 days.