Mathematics · Statistics
In an asymmetrical frequency distribution, what is the correct empirical formula expressing the relationship between arithmetic mean (X), mode (Z), and median (M)?
- 1M = 3X + Z2
- 2Z = 2M − 3X
- 3Z = 3M − 2X✓
- 4X = 2M − Z3
Correct answer
Z = 3M − 2X
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