ECO 4421
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if X and Y are independent random variables, then f(x,y) = f(x) f(y)
True
if cov(x,y) = 0, then X and Y are independent random variables
false
a particular value of the rule referenced in (b) based on observed data is a(n)
Estimate
A rule that assigns each possible outcome of the sample a value of the corresponding population characteristic referenced in (a) is a(n)
Estimator
The unknown value of a certain population characteristic is a
Population Estimator
