Method of Statistical Inference

# Method of Statistical Inference - How can a polling...

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Method of Statistical Inference Statistics is also a method, a way of working with numbers to answer puzzling questions  about both human and nonhuman phenomena. Questions answerable by using the  “method” of statistics are many and varied: Which of several techniques is best for  teaching reading to third-graders? Will a new medicine be more effective than the old  one? Can you expect it to rain tomorrow? What is the probable outcome of the next  presidential election? Which assembly-line process produces fewer faulty carburetors?
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Unformatted text preview: How can a polling organization make an accurate prediction of a national election by questioning only a few thousand voters? And so on. For our purposes, statistics is both a collection of numbers and/or pictures and a process: the art and science of making accurate guesses about outcomes involving numbers. So, fundamentally, the goals of statistics are • To describe variables and data • To make accurate inferences about groups based upon incomplete information...
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## This note was uploaded on 11/15/2011 for the course QMST 2333 taught by Professor Mendez during the Fall '08 term at Texas State.

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