2: Sampling and Data Last updated Jan 17, 2021 Save as PDF 1.6: Experimental Design & Ethics 2.1: Introduction Page ID16212 ( \newcommand{\kernel}{\mathrm{null}\,}\) 2.1: Introduction2.1: Stem-and-Leaf Graphs, Line Graphs, Bar Graphs, and Pie Charts2.2: Histograms, Frequency Polygons, and Time Series Graphs2.3: Measures of the Location of the Data2.4: Box Plots2.5: Measures of the Center of the Data2.6: Skewness and the Mean, Median, and Mode2.7: Measures of the Spread of Data2.8: When to use each measure of Central Tendency