“Step-by-step solution to Class 10 Maths Exercise 13.1 Question 7: Calculate the concentration of SO2 in parts per million (ppm) using grouped data. This detailed tutorial helps students understand statistical methods for environmental data analysis in NCERT syllabus. Like, share, and subscribe for more clear NCERT maths solutions!” . . . . . . . #class10maths #statistics #SO2concentration #ncertsolutions #cbsemaths #environmentaldata #mathstutorial #study #mathematics #exercise13_1