1. Chapter 13 Class 10 Statistics
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Ex 13.1, 7 - Chapter 13 Class 10 Statistics

Last updated at Dec. 13, 2024 by Teachoo

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Ex 13.1, 7 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. Find the mean concentration of SO2 in the air. Mean(π‘₯ Μ…) = (βˆ‘β–’π‘“π‘–π‘₯𝑖)/(βˆ‘β–’π‘“π‘–) π‘₯ Μ… = 2.96/30 = 296/3000 = 98.67/1000 = 0.0986 = 0.099 Mean concentration of SO2 in the air is 0.099 ppm
  1. Chapter 13 Class 10 Statistics
  2. Serial order wise

    3. Ex 13.1

    Ex 13.2 →
Ex 13.2 →
Chapter 13 Class 10 Statistics
Serial order wise

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo