Solution: Let Y1, Y2, . . . , Yn be a random sample from a
Chapter 9, Problem 93E(choose chapter or problem)
Let \(Y_{1}, Y_{2}, \ldots, Y_{n}\) be a random sample from a population with density function
\(f(y \mid \theta)=\left\{\begin{array}{ll}\frac{2 \theta^{2}}{y^{3}}, & \theta<y<\infty \\0, & \text { elsewhere }\end{array}\right.\)
In Exercise 9.53, you showed that \(Y_{(1)}=\min \left(Y_{1}, Y_{2}, \ldots, Y_{n}\right)\) is sufficient for \(\theta\).
a Find the MLE for \(\theta\). [Hint: See Example 9.16.]
b Find a function of the MLE in part (a) that is a pivotal quantity.
c Use the pivotal quantity from part (b) to find a 100( 1 - \(\alpha\))% confidence interval for \(\theta\).
Equation Transcription:
= min
Text Transcription:
Y_1, Y_2, …., Y_n
f(y | theta) = {frac{2 theta^{2}}{y^{3}}, & theta < y < infty 0, & elsewhere.
Y_(1) = min (Y_1, Y_2, …., Y_n)
theta
theta
alpha
theta
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