⭐ Important points (exam-critical)
- ⭐AM ≥ GM ≥ HM for positive numbers (equality when all equal).
- ⭐SD unaffected by change of origin, affected by change of scale.
- ⭐For symmetrical distribution: Mean = Median = Mode.
- ⭐CV used to compare variability of two datasets with different units.
Want more depth on important points?
Make it click