Week 4 Notes
Week 4 Notes Stat 239
Popular in Statistics for the Biological and Physical Sciences
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Popular in Statistics
This 2 page Class Notes was uploaded by an elite notetaker on Thursday September 17, 2015. The Class Notes belongs to Stat 239 at St. Cloud State University taught by Diane Lovett in Summer 2015. Since its upload, it has received 11 views. For similar materials see Statistics for the Biological and Physical Sciences in Statistics at St. Cloud State University.
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Date Created: 09/17/15
Statistics for Biology Sept 14Sept 17 Notes by Brook Hoffman Chapter 3 Section 1 Sampling Distributions Sampling Distribution set of the sample drawn from a population Population All the subjects you might be interested in studying Sample Subjects drawn from the population 0 Also called a subset of a population In typical research complete population data is usually not available The goal of sampling is to draw a representative sample from the population with the exception the what you measure is fairly close to the measurement values that you want to know about the population Means Symbol Term M Population Mean Population Parameter 56 Sample Mean Sample Statistic Parameter value belonging to the entire population of interest It is often unknown CorrespondingSample Statistic point estimate 0 Estimation of parameter It is unlikely that M9C but it will most likely be close enough to predict what M might be Drawing samples that are random and taking averages may be influenced by extreme samples but because these are also averaged Larger populations therefore will be closer to actual population mean averaged Larger populations therefore will be Closer to actual population mean