Difference between revisions of "AP Statistics Curriculum 2007 EDA Plots"
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=== Exploratory Data Analysis (EDA)=== | === Exploratory Data Analysis (EDA)=== | ||
| − | Modern statistics | + | Modern statistics regards the graphical visualization and interrogation of data as a critical component of any reliable method for statistical modeling, analysis and interpretation of data. Formally, there are two types of data analysis that should be employed in concert on the same set of data to make a valid and robust inference. The objectives of EDA are to: |
* Suggest hypotheses about the causes of observed phenomena | * Suggest hypotheses about the causes of observed phenomena | ||
* Assess (parametric) assumptions on which statistical inference will be based | * Assess (parametric) assumptions on which statistical inference will be based | ||
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===Approach=== | ===Approach=== | ||
| − | Many EDA techniques have been proposed, validated and adopted for various statistical methodologies. | + | Many EDA techniques have been proposed, validated and adopted for various statistical methodologies. For some of these we have discussed in the [[AP_Statistics_Curriculum_2007#Pictures_of_Data | Data visualization section]]. Other frequently used EDA charts include: |
* [[SOCR_EduMaterials_Activities_BoxPlot | Box-and-Whisker plot]] | * [[SOCR_EduMaterials_Activities_BoxPlot | Box-and-Whisker plot]] | ||
* [[SOCR_EduMaterials_Activities_Histogram_Graphs | Histogram]] | * [[SOCR_EduMaterials_Activities_Histogram_Graphs | Histogram]] | ||
* [[SOCR_EduMaterials_Activities_DotChart | Dot plot]] | * [[SOCR_EduMaterials_Activities_DotChart | Dot plot]] | ||
* [[SOCR_EduMaterials_Activities_ScatterChart | Scatter plot]] | * [[SOCR_EduMaterials_Activities_ScatterChart | Scatter plot]] | ||
| − | * | + | * [http://en.wikipedia.org/wiki/Stem_and_leaf Stem-and-leaf plot] |
* [[SOCR_EduMaterials_Activities_IndexChart | Index plot]] | * [[SOCR_EduMaterials_Activities_IndexChart | Index plot]] | ||
* [[SOCR_EduMaterials_Activities_QQChart | QQ Normal Plot]] | * [[SOCR_EduMaterials_Activities_QQChart | QQ Normal Plot]] | ||
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===Examples=== | ===Examples=== | ||
[[NISER_081107_ID#Statistics | This activity]] provides hands-on demonstration of EDA on a large data set of [[NISER_081107_ID_Data | Mercury in Bass]]. | [[NISER_081107_ID#Statistics | This activity]] provides hands-on demonstration of EDA on a large data set of [[NISER_081107_ID_Data | Mercury in Bass]]. | ||
| + | |||
| + | ===[[EBook_Problems_EDA_Plots | Problems]]=== | ||
<hr> | <hr> | ||
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* SOCR Home page: http://www.socr.ucla.edu | * SOCR Home page: http://www.socr.ucla.edu | ||
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Latest revision as of 13:29, 3 March 2020
Contents
General Advance-Placement (AP) Statistics Curriculum - Graphs & Exploratory Data Analysis
Exploratory Data Analysis (EDA)
Modern statistics regards the graphical visualization and interrogation of data as a critical component of any reliable method for statistical modeling, analysis and interpretation of data. Formally, there are two types of data analysis that should be employed in concert on the same set of data to make a valid and robust inference. The objectives of EDA are to:
- Suggest hypotheses about the causes of observed phenomena
- Assess (parametric) assumptions on which statistical inference will be based
- Support the selection of appropriate statistical tools and techniques
- Provide a basis for further data collection through surveys or experiments
Approach
Many EDA techniques have been proposed, validated and adopted for various statistical methodologies. For some of these we have discussed in the Data visualization section. Other frequently used EDA charts include:
Examples
This activity provides hands-on demonstration of EDA on a large data set of Mercury in Bass.
Problems
References
- TBD
- SOCR Home page: http://www.socr.ucla.edu
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