এক ক্লাসেই পরিসংখ্যান শেষ

Описание: Statistics All-in-One | পরিসংখ্যানের সব ফর্মুলা | Class 8, 9 & 10

Welcome to Najifa Knowledge Hub _02
In this video, you will learn Statistics (পরিসংখ্যান) in a very easy and simple way for Class 8, 9 & 10.
Here I explained all important statistics formulas, definitions, examples, and shortcuts that are useful for SSC, JSC, and school exams.


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📚 Topics Covered in This Video:

✔ What is Statistics (পরিসংখ্যান)?
✔ Data Types: Raw Data, Grouped Data
✔ Frequency Table, Class Interval, Class Mark
✔ Mean (গড়) Formula & Examples
✔ Median (মধ্যক) Formula & Short Trick
✔ Mode (bahulok) Formula & Quick Method
✔ Range, Cumulative Frequency
✔ Ungrouped & Grouped Data Formulas
✔ Shortcut Techniques for Fast Calculation
✔ Important Exam Tips & Tricks


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