Complete Guide to CBSE Class 10 Maths: Statistics & Probability (2025–26 Syllabus)
📘 CBSE Class 10 Maths (Chapter: Statistics & Probability) ✨ 1. Key Concepts of the Chapter ✅ Statistics Statistics is the study of collecting, organizing, analyzing, and interpreting numerical data. In this chapter, we focus on statistical measures: Mean (Average) Median (Middle value) Mode (Most frequent value) Data dealt with here is grouped data (continuous classes). ✅ Probability Probability measures the likelihood of an event. Classical definition: P ( E ) = Number of favorable outcomes Total number of outcomes P(E) = \frac{\text{Number of favorable outcomes}}{\text{Total number of outcomes}} P ( E ) = Total number of outcomes Number of favorable outcomes Deals with simple experiments : coin toss, dice roll, card pick, etc. 📌 2. Important Formulae 🔷 For Statistics (Grouped Data) 👉 Mean: Mean , x ‾ = ∑ f i x i ∑ f i \text{Mean},\ \overline{x} = \frac{\sum f_ix_i}...