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Statistical Methods for Fuzzy Data by Reinhard Viertl

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20.5 Problems

a. For regression line y(x) = θ0 + θ1x and two fuzzy observations (x1*, y1*) and (x2*, y2*) explain how to calculate the fuzzy estimators 0* and 1*.

b. Calculate the fuzzy prediction y*(x*) = 0*1* x* for the fuzzy value x* of the independent variable which is a fuzzy number.

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