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hi guys, can you help with this one please? so much appreciated 5. Let X1,X2, . . . ,Xn denote the prices (in EUR) of

hi guys, can you help with this one please? so much appreciated

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5. Let X1,X2, . . . ,Xn denote the prices (in EUR) of a given article in different shops. We assume these observations are independent, from a normal distribution With unknown mean u and variance 02. Previous research suggests that the average price level is around 50, so the researcher uses the following \"conservative\" estimator of the parameter p: A_50+X M 2 - (a) Verify whether this estimator is unbiased. Calculate the MSE

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