Box Plots. SWBAT: Find the 5-number summary and create box plots by hand and on a calculator. Quiz (tomorrow: 3-1 through 3-3) Warm-up: Pg 154 #22 HW?s Notes Assignment. HW?s. Exploratory Data Analysis (EDA).
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The Five-Number Summary is composed of the following numbers: Low, Q1, MD, Q3, High
The Five-Number Summary can be graphically represented using a Boxplot.
Bluman, Chapter 3
Find the five-number summary.
Draw a horizontal axis with a scale that includes the maximum and minimum data values.
Draw a box with vertical sides through Q1 and Q3, and draw a vertical line though the median.
Draw a line from the minimum data value to the left side of the box and a line from the maximum data value to the right side of the box.
Bluman, Chapter 2
The number of meteorites found in 10 U.S. states is shown. Construct a boxplot for the data.
89, 47, 164, 296, 30, 215, 138, 78, 48, 39
30, 39, 47, 48, 78, 89, 138, 164, 215, 296
Five-Number Summary: 30-47-83.5-164-296
Bluman, Chapter 3
A dietitian is interested in comparing the sodium content of real cheese with the sodium content of cheese substitute. The data for two random samples are shown. Compare the distributions using boxplots.
Construct a boxplot for the following data which represent the number of innings pitched by the ERA leaders for the past few years. Comment on the shape of the distribution.
192 228 186 199 238 217 213 234 187 214 115 238 246