Question: Two observations x, and x, are available from a normal population N(,) for the estimation of mean. What is the variance of (x +
![Four observations (x, x,x,x) are drawn from a normal population N(0,0). If Z = k[(x - x) + (x-x)] is an](https://dsd5zvtm8ll6.cloudfront.net/questions/2024/01/65a77ae1013b6_1705474785052.jpg)
Two observations x, and x, are available from a normal population N(,) for the estimation of mean. What is the variance of (x + 2x): Four observations (x,x,x,x) are drawn from a normal population N(0,0). If Z = K[(x-x) + (x-x)] is an unbiased estimator of o,what is the value of k: Two observations x, and x, are available from a normal population N(,) for the estimation of mean. What is the variance of (x + 2x): Four observations (x,x,x,x) are drawn from a normal population N(0,0). If Z = K[(x-x) + (x-x)] is an unbiased estimator of o,what is the value of k:
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