MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Suppose Y₁, Y2, Y3 are random samples from N(1, 1). Let,
Y
Y₁ + y2 + Y3
3
& S²
=
1
3
Σ(Yį – Y)².
i=1
What's the distribution of U = 2S²? Using the distribution of U, compute E[S²] and Var [S²].
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Transcribed Image Text:Suppose Y₁, Y2, Y3 are random samples from N(1, 1). Let, Y Y₁ + y2 + Y3 3 & S² = 1 3 Σ(Yį – Y)². i=1 What's the distribution of U = 2S²? Using the distribution of U, compute E[S²] and Var [S²].
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