If β2=m4m22<3, the distribution is called______________?
Correct answer: D. Platykurtic
- A. Normal
- B. Mesokurtic
- C. Leptokurtic
- D. Platykurtic
Explanation
β₂ = μ₄/μ₂² measures kurtosis, and β₂ < 3 indicates a flatter-than-normal distribution. Such a distribution is called platykurtic, whereas β₂ > 3 indicates leptokurtosis.
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