Lecture 02: Descriptive Statistics and RStudio

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Oxide Thickness Data and RStudio

Additional R Basics from the Worksheet

Choosing a Graphical Summary

Dot Plots

Histograms

Boxplots

Describing Shape

Parameters and Statistics

Numerical Summaries of Quantitative Data

Center

Position: Percentiles and Quartiles

Spread

Sensitivity to a Recording Error

Comparing Two Samples

Oxide Exercise (m): New and Recycled Wafers

Loading the Supplied CSV

ToothGrowth Example: Vitamin C and Tooth Growth

Summarizing Categorical Data

Pie Charts

Bar Charts

Pareto Charts

Government Spending Example