Statistics Class 11 | Variance & Standard Deviation (Shortcut Method) + Ex 15.2 | IIT-JEE/NDA/SAT

Statistics Class 11 Part 3 | Variance & Standard Deviation (Shortcut Method) + Ex 15.2 | IIT-JEE/NDA/SAT | Edu Glaze 📊 Class 11 Maths Chapter 15 – Statistics Part 3 In this video by Edu Glaze, we explain Variance and Standard Deviation using the Shortcut Method Formulas in a clear and bilingual format (Hindi + English). 🔍 Also includes step-by-step solutions to Exercise 15.2 (Ex 15.2) from the NCERT textbook. We’ve highlighted common mistakes (pitfalls) students make and provided smart strategies to avoid them for IIT-JEE, NDA, and SAT aspirants. ✨ What you'll learn in this video: Concept of Variance & Standard Deviation Shortcut method for quick calculation Full step-by-step solution to NCERT Exercise 15.2 Important tips to avoid calculation errors Useful for Class 11, JEE Mains, NDA, and SAT preparation 🎯 Don’t forget to LIKE, SHARE, and SUBSCRIBE for more bilingual, exam-oriented content! 💬 Drop your doubts in the comments – we reply to everyone! 🔔 Subscribe for FREE career guidance and mentorship: https://youtube.com/@EduGlaze #EduGlaze #Class11Maths #StatisticsClass11 #IITJEE #NDAMaths #SATprep #Statistics #Exercise15.2 #Variance #StandardDeviation #ShortCutMethod #cbse_maths #maths_in_hindi #maths_in_english #Edu_Glaze #maths_preparation #board_exams #cbse_board_preparation #maths_study_tips #maths_solutions #cbse-exam_class_11 #ncert_solutions #maths_explanation #ncert_maths_solutions #Edu_Glaze_maths #maths_tutorials