Methods for Describing Sets of Data

Methods for Describing Sets of Data
Chapter 2 Methods for Describing Sets of Data

Describing Qualitative Data
2.1 Describing Qualitative Data

Figure 2.1 SPSS summary table for types of aphasia
Copyright © 2013 Pearson Education, Inc.. All rights reserved.

Figure 2.2 SAS bar graph for type of aphasia

Figure 2.3 MINITAB pie chart for type of aphasia

Figure 2.4 SPSS Pareto diagram for type of aphasia

Figure 2.5 SAS summary tables for DRUG and COMP

Figure 2.6 MINITAB side-by-side bar graphs for COMP by value of DRUG

Figure 2.7 SPSS summary tables for COMP by value of drug

Figure SIA2.1a MINITAB pie charts for Gender, Disorder, and Dissatisfies with Looks

Figure SIA2.1b MINITAB pie charts for Gender, Disorder, and Dissatisfies with Looks

Figure SIA2.1c MINITAB pie charts for Gender, Disorder, and Dissatisfies with Looks

Figure SIA2.2 MINITAB side-by-side pie charts for Dissatisfied with Looks by Gender

Figure SIA2.3 MINITAB side-by-side Pie charts for Dissatisfied with Looks by Comorbid Disorder

Graphical Methods for Describing Quantitative Data
2.2 Graphical Methods for Describing Quantitative Data

Figure 2.8 MINITAB dot plot for 100 EPA mileage ratings

Figure 2.9 MINITAB stem-and-leaf display for 100 mileage ratings

Figure 2.10 SPSS histogram for 100 EPA gas mileage ratings

Figure 2.11 The effect of the size of a data set on the outline of a histogram

Figure 2.12 SPSS histogram for task deviations

Figure 2.13 MINITAB stem-and-leaf display for task deviations

Figure SIA2.4 MINITAB side-by-side histograms for Appearance Evaluation by Gender

2.3 Summation Notation

Numerical Measures of Central Tendency
2.4 Numerical Measures of Central Tendency

Figure 2.14 Numerical descriptive measures

Figure 2.15 SAS numerical descriptive measures for 100 EPA gas mileages

Figure 2.16 Location of the Median

Figure 2.17 MINITAB descriptive statistics for earthquake data

Figure 2.18a MINITAB Histogram for Magnitudes of Aftershocks

Figure 2.18b MINITAB Histogram for Inter-Arrival Times of Aftershocks

Numerical Measures of Variability
2.5 Numerical Measures of Variability

Figure 2.19 Response time histograms for two drugs

Figure 2.20 Dot plots for deviations in Table 2.5

Figure 2.21 Reproduction of SAS numerical descriptive measures for 100 EPA mileages

Interpreting the Standard Deviation
2.6 Interpreting the Standard Deviation

Figure 2.22 MINITAB descriptive statistics for rat maze times

Figure 2.23 MINITAB histogram of rat maze times

Figure 2.24 The relation between the range and the standard deviation

Figure 2.25 Battery life-length distribution: manufacturer’s claim assumed true

Figure SIA2.5 MINITAB descriptive statistics for appearance evaluation by gender

Numerical Measures of Relative Standing
2.7 Numerical Measures of Relative Standing

Figure 2.26 Location of 90th percentile for test grades

Figure 2.27 SPSS percentile statistics for water-level task deviations

Figure 2.28 The quartile for a data set

Figure 2.29 Verbal SAT scores of high school seniors

Figure 2.30 Population z-scores for a mound–shaped distribution

Methods for Detecting Outliers: Box plots and z-Scores
2.8 Methods for Detecting Outliers: Box plots and z-Scores

Figure 2.31 Annotated MINITAB box plot for EPA gas mileages

Figure 2.32 MINITAB box plot for water-level task deviations

Figure 2.33 SAS box plots for reaction-time data

Figure 2.34 Male salary distribution

Figure SIA2.6 MINITAB box plots for Appearance Evaluation score by Gender

Graphing Bivariate Relationships (Optional)
2.9 Graphing Bivariate Relationships (Optional)

Figure 2.35 Scatterplot of cost vs. floor area

Figure 2.36 Hypothetical bivariate relationship

Figure 2.37 SPSS scatterplot for medical factors data in Table 2.10

Distorting the Truth with Descriptive Statistics
2.10 Distorting the Truth with Descriptive Statistics

Figure 2.38 MINITAB bar graph of vessel collisions by location

Figure 2.39 SPSS bar graph of vessel collisions by location, with adjusted vertical axis

Figure 2.40 Relative frequency of fatal motor vehicle accidents on each of four major highways

Figure 2.41 Mileage distributions for two car models

Methods for Describing Sets of Data

Similar presentations

Presentation on theme: "Methods for Describing Sets of Data"— Presentation transcript:

Similar presentations

About project

Feedback

Log in

Auth with social network:

Methods for Describing Sets of Data

Similar presentations

Presentation on theme: "Methods for Describing Sets of Data"— Presentation transcript:

Similar presentations

About project

Feedback