chap08

# chap08 - 8- 1Chapter EightSampling Methods and the Central...

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Unformatted text preview: 8- 1Chapter EightSampling Methods and the Central Limit Sampling Methods and the Central Limit TheoremTheoremONEExplain why a sample is the only feasible way to learn about a population.TWODescribe methods to select a sample.THREEDefine and construct a sampling distribution of the sample mean.FOURExplain the central limit theorem. Goals8- 2Chapter Eight continuedSampling Methods and the Central Limit Sampling Methods and the Central Limit TheoremTheoremGOALSFIVEUse the Central Limit Theorem to find probabilities of selecting possible sample means from a specified population. Goals8- 3Why Sample the Population?Why sample?The destructive nature of certain tests.The physical impossibility of checking all items in the population.The cost of studying all the items in a population.The adequacy of sample results in most cases.The time-consuming aspect of contacting the whole population.8- 4Probability Sampling/MethodsSystematic Random SamplingThe items or individuals of the population are arranged in some...
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## This note was uploaded on 04/06/2009 for the course ECON 41 taught by Professor Guggenberger during the Spring '07 term at UCLA.

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chap08 - 8- 1Chapter EightSampling Methods and the Central...

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