Statistics and DataStatistics and DataTypes of DataLevels of MeasurementExample of Data Types and Levels of MeasurementSummarizing Categorical DataRelative Frequency TableBar ChartPie ChartSummarizing Numerical DataStem-and-Leaf PlotRelative Frequency Table and HistogramFive-Number Summary and BoxplotsDotplotData ShapeStatistics and Data Summarizing Categorical Data Summarizing Numerical DataChapter 1. Data PresentationStatistics and DataJ.C. WangJC Wang (WMU) Stat2160 S2160, Chapter 1 1 / 55Statistics and Data Summarizing Categorical Data Summarizing Numerical DataGoal and Objectives1To understand the difference between types of data — categoricaland numerical2To learn how to analyze each typeTo explore the categorical levels of dataTo explore the numerical levels of dataJC Wang (WMU) Stat2160 S2160, Chapter 1 2 / 55Statistics and Data Summarizing Categorical Data Summarizing Numerical DataGoal and Objectives1To understand the difference between types of data — categoricaland numerical2To learn how to analyze each typeTo explore the categorical levels of dataTo explore the numerical levels of dataJC Wang (WMU) Stat2160 S2160, Chapter 1 2 / 55Statistics and Data Summarizing Categorical Data Summarizing Numerical DataGoal and Objectives1To understand the difference between types of data — categoricaland numerical2To learn how to analyze each typeTo explore the categorical levels of dataTo explore the numerical levels of dataJC Wang (WMU) Stat2160 S2160, Chapter 1 2 / 55Statistics and Data Summarizing Categorical Data Summarizing Numerical DataGoal and Objectives1To understand the difference between types of data — categoricaland numerical2To learn how to analyze each typeTo explore the categorical levels of dataTo explore the numerical levels of dataJC Wang (WMU) Stat2160 S2160, Chapter 1 2 / 55Statistics and Data Summarizing Categorical Data Summarizing Numerical DataiClicker Question 1.1 Pre-lectureiClicker Question 1.1 Pre-lectureJC Wang (WMU) Stat2160 S2160, Chapter 1 3 / 55Statistics and Data Summarizing Categorical Data Summarizing Numerical DataOutline1Statistics and DataStatistics and DataTypes of DataLevels of MeasurementExample of Data Types and Levels of Measurement2Summarizing Categorical DataRelative Frequency TableBar ChartPie Chart3Summarizing Numerical DataStem-and-Leaf PlotRelative Frequency Table and HistogramFive-Number Summary and BoxplotsDotplotData ShapeJC Wang (WMU) Stat2160 S2160, Chapter 1 4 / 55Statistics and Data Summarizing Categorical Data Summarizing Numerical DataOutline1Statistics and DataStatistics and DataTypes of DataLevels of MeasurementExample of Data Types and Levels of Measurement2Summarizing Categorical DataRelative Frequency TableBar ChartPie Chart3Summarizing Numerical DataStem-and-Leaf PlotRelative Frequency Table and HistogramFive-Number Summary and BoxplotsDotplotData ShapeJC Wang (WMU) Stat2160 S2160, Chapter 1 5 / 55Statistics and Data Summarizing Categorical Data Summarizing Numerical DataStatistics and DataStatistics(broad sense) collection of methods/procedures for collecting dataand analyzing data(narrower sense) numbers arise out of data analysis, eg., averageDatacollection of measurements made on a number of subjectsexample: CLASS DATA set (page 2 of textbook) has six differentmeasurements on ten studentsJC Wang (WMU) Stat2160 S2160, Chapter 1 6 / 55Statistics and Data Summarizing Categorical Data Summarizing Numerical DataStatistics and DataStatistics(broad sense) collection of methods/procedures for collecting dataand analyzing data(narrower sense) numbers arise out of data analysis, eg., averageDatacollection of measurements made on a number of subjectsexample: CLASS DATA set (page 2 of textbook) has six differentmeasurements on ten studentsJC Wang (WMU) Stat2160 S2160, Chapter 1 6 / 55Statistics and Data Summarizing Categorical Data Summarizing Numerical DataStatistics and DataStatistics(broad sense) collection of methods/procedures for collecting dataand analyzing data(narrower sense) numbers arise out of data analysis, eg., averageDatacollection of measurements made on a number of subjectsexample: CLASS DATA set (page 2 of textbook) has six differentmeasurements on ten studentsJC Wang (WMU) Stat2160 S2160, Chapter 1 6 / 55Statistics and Data Summarizing Categorical Data Summarizing Numerical DataStatistics and DataStatistics(broad sense) collection of methods/procedures for collecting dataand analyzing data(narrower sense) numbers arise out of data analysis, eg., averageDatacollection of measurements made on a number of subjectsexample: CLASS DATA set (page 2 of textbook) has six differentmeasurements on ten studentsJC Wang (WMU) Stat2160 S2160, Chapter 1 6 / 55Statistics and Data Summarizing Categorical Data Summarizing Numerical DataStatistics and DataStatistics(broad sense) collection of methods/procedures for collecting dataand analyzing data(narrower sense) numbers arise out of data analysis, eg., averageDatacollection of measurements made on a number of subjectsexample: CLASS DATA set (page 2 of textbook) has six differentmeasurements on ten studentsJC Wang (WMU) Stat2160 S2160, Chapter 1 6 / 55Statistics and Data Summarizing Categorical Data Summarizing Numerical DataStatistics and DataStatistics(broad sense) collection of methods/procedures for collecting dataand analyzing data(narrower sense) numbers arise out of data analysis, eg., averageDatacollection of measurements made on a number of subjectsexample: CLASS DATA set (page 2 of textbook) has six differentmeasurements on ten studentsJC Wang (WMU) Stat2160 S2160, Chapter 1 6 / 55Statistics and Data Summarizing Categorical Data Summarizing Numerical DataTwo Types of DataCategorical such as color of student eyesNumerical such as temperature of this room in FahrenheitJC Wang (WMU) Stat2160 S2160, Chapter 1 7 / 55Statistics and Data Summarizing Categorical Data Summarizing Numerical DataTwo Types of DataCategorical such as color of student eyesNumerical such as temperature of this room in FahrenheitJC Wang (WMU) Stat2160 S2160, Chapter 1 7 / 55Statistics and Data Summarizing Categorical Data Summarizing Numerical DataLevels of MeasurementCategorical Data1Nominal: ordering does not exist, eg., gender, SSN, eye color2Ordinal: ordering does exist, eg., military rank, class levels, ratingscalesJC Wang (WMU) Stat2160 S2160, Chapter 1 8 / 55Statistics and Data Summarizing Categorical Data Summarizing Numerical DataLevels of MeasurementCategorical Data1Nominal: