Transcript
![Page 1: Overview and Descriptive Statisticspeople.stat.sfu.ca/~cao/Teaching/chapter1.pdf · Use interpolation on the order statistics. (See Calculation ?quantile in R) Trimmed means A sample](https://reader033.vdocument.in/reader033/viewer/2022042217/5ec02e700528114cf83a618d/html5/thumbnails/1.jpg)
Overview and Descriptive Statistics
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Outline – Populations, Samples and Processes
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Outline – Pictorial and Tabular Methods in Descriptive Statistics
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Outline – Measures of Location
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Outline – Measures of Variability
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Chapter 1: Descriptive Statistics
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1.1 Populations, samples and processes
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Descriptive statistics
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Challenger example
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Probability and statistics
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Data collection
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Data collection (cont’d)
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1.2 Pictorial Methods
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Golf course yardages
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Histograms
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Unequal bin widths
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Categorical data
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Bar plot for health complaints
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Sorted bar plot for health complaints
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Multivariate data
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Measures of location
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Quartiles, percentiles, and quantities
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Trimmed means
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Summary of categorical data
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Sample Variance and standard deviation
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Properties of variance
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Boxplots
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Comparative boxplots