IE577_lecture5

# IE577_lecture5 - IE/PSY 577 Session 5 Statistical Methods...

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IE/PSY 577 Session 5 Statistical Methods

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IE/PSY 577 Session 5 Florence Nightingale Made extensive use of statistical analysis in the compilation, analysis and presentation of statistics on medical care and public health. 2 Was a pioneer in the visual presentation of information and statistical graphics . Elected the first female member of the Royal Statistical Society and became an honorary member of the American Statistical Association
IE/PSY 577 Session 5 Statistical Methods Descriptive Describe results of research ferential 3 Inferential Allow inferences about effects of variables, etc., using probability theory

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IE/PSY 577 Session 5 Descriptive Statistics Frequency Distribution Relative Frequency Distribution ercentile Rank 4 Percentile Rank The percentage of scores that fall below a given percentile
IE/PSY 577 Session 5 Frequency and Relative Frequency Polygon 5

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IE/PSY 577 Session 5 Descriptive Statistics Central Tendency Mean: 9, 3, 44, 17, 15 (9 + 3 + 44 + 17 + 15)/5 = 17.6 n X X
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IE577_lecture5 - IE/PSY 577 Session 5 Statistical Methods...

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