M1-review

# M1-review - The UNIVERSITY of NORTH CAROLINA at CHAPEL HILL...

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© 2008 Haipeng Shen 2/12/08 Midterm Review 1 STOR 155 Introductory Statistics Midterm 1 Review The UNIVERSITY of NORTH CAROLINA at CHAPEL HILL

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© 2008 Haipeng Shen 2/12/08 Midterm Review 2 Statistics: the science of collecting, organizing, and interpreting data. Data collection. Data analysis - organize & summarize data to bring out main features and clarify their underlying structure. Inference and decision theory – extract the info provided by the data and may be used as a guide for further action.
© 2008 Haipeng Shen 2/12/08 Midterm Review 3 Fundamental concepts: Population: the entire group of individuals that we want information about. Sample: a part of the population that we actually examine in order to gather information. Sample size: number of observations/individuals in a sample. Statistical inference: to make an inference about a population based on the information contained in a sample.

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© 2008 Haipeng Shen 2/12/08 Midterm Review 4 Data contains Individuals: the objects described by the
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## This note was uploaded on 03/26/2008 for the course STOR 155 taught by Professor Andrewb.nobel during the Fall '08 term at UNC.

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M1-review - The UNIVERSITY of NORTH CAROLINA at CHAPEL HILL...

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