what is the use and application of ratio estimator?
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The Parthenon in Greece uses the golden ratio as well as the Pyramids of Giza
I think, the estimate is a numerical value, wile the estimator is a function or operator, which can be generate more estimates according to some factors. For example (xbar) is estimator for (meu), which can be various when the sample size in various, the value that will be produced is an (estimate), but (xbar) is estimator.
Ratio
Ratio uses 2 similar things and compares them while proportions uses ratios to compare, they both compare objects or items ------ Pao Xiong
Percentage!