Let Xi sim N(theta, theta^2). Then for parameter theta, T = (sumi=1^nXi, sumi=1^nXi^2) is:

Q18Section I (Objective (Q1–Q80))18 of 80

Statistical Inference — sufficiency in a curved family

Let $X_i \sim N(\theta, \theta^2)$ . Then for parameter $\theta$ , $T = \left(\sum_{i=1}^{n}X_i, \sum_{i=1}^{n}X_i^2\right)$ is:

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