Adding and Multiplying Data | Effect on Mean, Standard Deviation, Median, Range, Quartiles, IQR...

🎓 Perfect for IB AI SL & IGCSE Extended Maths Students!

In this video, we explore what happens to key statistical measures when you add or multiply values in a dataset. Whether you're working with mean, standard deviation, median, range, quartiles, or interquartile range (IQR) — understanding these effects is essential for mastering both the IB and IGCSE curricula.

✅ What you'll learn:

How adding a constant affects mean, standard deviation, and more
How multiplying a dataset changes its spread and central values
The impact on shape, spread, and location of data
Quick examples to help visualize each transformation
Real exam-style insights and tips!
🧠 Great for:

IB Mathematics: Applications and Interpretation SL
IGCSE Extended Maths: Statistics topics
Revision, reinforcement, or learning it for the first time!

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