SOB on Instagram: "In this short video from School of Backbenchers (SOB) 🎓, we solve an important exam-based question from Class 9 Maths Chapter 12 – Statistics related to continuous frequency distribution. 👉 Question: In a continuous frequency distribution, the class mark of a class is 15 and the lower limit is 13. Find the upper limit of the class. 🔍 Concept Used: • Class Mark = (Lower Limit + Upper Limit) ÷ 2 • Simple substitution and calculation 📘 Why This Question is Important ✔ Frequen
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SOB on Instagram: "In this short video from School of Backbenchers (SOB) 🎓, we solve an important exam-based question from Class 9 Maths Chapter 12 – Statistics related
4 likes, 0 comments - school_of_backbenchers_sob on January 5, 2026: "In this short video from School of Backbenchers (SOB) 🎓, we solve an important exam-based question from Class 9 Maths Chapter 12 – Statistics related to continuous frequency distribution.👉 Question:In a continuous frequency distribution, the class mark of a class is ...
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