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Find pivotal quantity ​

Answer»

In statistics, a pivotal quantity or pivot is a function of observations and unobservable parameters such that the function's PROBABILITY distribution does not depend on the UNKNOWN parametersStep-by-step explanation:Suppose Y1,Y2,...,Yn denotes a random sample from a uniform distribution on the interval (−θ, 4θ), where θ>0 us an unknown parameter. Assume that n is sufficiently LARGE, find a pivotal quantity in terms of Y(with a bar on top) and θ.



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