1) Problem 3(a), from the 2015 sample midterm exam.
Ten trucks deliver 300 cartons (each) to a factory. Each carton contains a large number
of computer display screens. The factory wishes to estimate the total number of defective
screens in the shipment.
STSCI 3100 Final Exam Fall 2011 Answers
Note: Proofs not included; answers to open ended questions will vary.
(e) We have no way of knowing or estimating N in an ACS situation
(d) It is not reasonable to assume normal
Statistics 3100 Notes 1
ST 310 Notes
September 9, 2009
Population: a set, each element of which has (at least) a label (identier) and a
value x (of primary interest to the study). For our purposes there are N <
elements or units.
Frame: a ma
Stratied Random Sampling (Chapter 11)
This handout introduces the basic ideas and theory behind stratied random sampling estimators, the stratication principle, allocation in stratied random sampling, a number
of examples illustrating the method, compares