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Theory of Statistics - George Mason University

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Exercises 199<br />

a) Show that for d ≤ 2, this expectation is infinite.<br />

b) Show that for d ≥ 3, this expectation is finite. What is the value <strong>of</strong><br />

this expectation as d → ∞?<br />

2.30. Prove Theorem 2.4.<br />

2.31. Work through the details <strong>of</strong> the pro<strong>of</strong> <strong>of</strong> Geary’s theorem (Theorem 2.7)<br />

for the case that X1, . . ., Xn are iid d-vectors.<br />

<strong>Theory</strong> <strong>of</strong> <strong>Statistics</strong> c○2000–2013 James E. Gentle

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