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Published byKaylee Castillo
Modified over 4 years ago
Histograms Bins are the bars Counts are the heights Relative Frequency Histograms have percents on vertical axis
Stem-Leaf Plot Contain same information as a histogram but also preserve individual data valves.
Dot Plots Places a dot along an axis for each case in the data. Great for small data sets.
Time Plots Dots arranged in data order. Lines connect the dots.
Describing Histograms Center (mean or median) Unusual features (outliers and/or gaps) Shape (Normal? Skewed? Modes?) Spread (range, IQR or SD)
Approximately Normal Distribution
Histogram: Skewed to the right
Skewed to the Left
Skewed to the ?
Outlier with a gap
Very simple to create with each dot representing a data value. Best for non continuous data but can be made for and quantitative data 2004 US Womens Soccer.
So What Do We Know? Variables can be classified as qualitative/categorical or quantitative. The context of the data we work with is very important. Always.
Describing Quantitative Variables
Analyzing Data (C2-5 BVD) C2-4: Categorical and Quantitative Data.
Section 2.1 Visualizing Distributions: Shape, Center and Spread.
CHAPTER 1 Exploring Data
Copyright © 2014 Pearson Education, Inc. All rights reserved Chapter 2 Picturing Variation with Graphs.
Histograms & Stemplots for Quantitative Data. Describing Data using Summary Features of Quantitative Variables Center — Location in middle of all data.
CHAPTER 4 Displaying and Summarizing Quantitative Data Slice up the entire span of values in piles called bins (or classes) Then count the number of values.
Displaying and Summarizing Quantitative Data Copyright © 2010, 2007, 2004 Pearson Education, Inc.
Copyright © 2009 Pearson Education, Inc. Chapter 4 Displaying and Summarizing Quantitative Data.
Copyright © 2008 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Chapter 4 Displaying and Summarizing Quantitative Data.
QUANTITATIVE DATA chapter 4 (NUMERICAL).
Chapter 4: Displaying Quantitative Data
Displaying & Summarizing Quantitative Data
Introduction to Summary Statistics
+ Chapter 1 Section 2 By Abby Chopoorian and Morgan Smith.
It’s an outliar!. Similar to a bar graph but uses data that is measured.
Stem and Leaf Display Stem and Leaf displays are an “in between” a table and a graph – They contain two columns: – The left column contains the first digit.
Chapter 1 & 3.
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