Mathematics · Statistics
Which of the following correctly describes the relationship between raw moments (μ'r) and central moments (μr)?
- 1μr = μ'r for all r
- 2μ2 = μ'1 × μ'2
- 3μ1 = μ'1; μ2 = μ'2
- 4μ1 = 0 always; μ2 = μ'2 − (μ'1)2✓
Correct answer
μ1 = 0 always; μ2 = μ'2 − (μ'1)2
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