The problem of estimating the variance of the ratio estimator in sampling with probability proportional to aggregate size is investigated. The form of nonnegative unbiased variance estimators is found ...
Probability Distribution Notes: Probability is a fundamental aspect of mathematics that helps us understand and quantify uncertainty. Mastery of this subject is essential for students, as it has ...
CBSE Class 12 Maths Formulas Probability: Every student knows the Pythagoras theorems and the quadratic equations. This is essential mathematical knowledge that most people possess, whether math ...
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