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- Anscombe's_quartet abstract "Anscombe's quartet comprises four datasets that have nearly identical simple statistical properties, yet appear very different when graphed. Each dataset consists of eleven (x,y) points. They were constructed in 1973 by the statistician Francis Anscombe to demonstrate both the importance of graphing data before analyzing it and the effect of outliers on statistical properties.For all four datasets:The first scatter plot (top left) appears to be a simple linear relationship, corresponding to two variables correlated and following the assumption of normality. The second graph (top right) is not distributed normally; while an obvious relationship between the two variables can be observed, it is not linear, and the Pearson correlation coefficient is not relevant. In the third graph (bottom left), the distribution is linear, but with a different regression line, which is offset by the one outlier which exerts enough influence to alter the regression line and lower the correlation coefficient from 1 to 0.816. Finally, the fourth graph (bottom right) shows an example when one outlier is enough to produce a high correlation coefficient, even though the relationship between the two variables is not linear.The quartet is still often used to illustrate the importance of looking at a set of data graphically before starting to analyze according to a particular type of relationship, and the inadequacy of basic statistic properties for describing realistic datasets.The datasets are as follows. The x values are the same for the first three datasets.A procedure to generate similar data sets with identical statistics and dissimilar graphics has since been developed.".
- Anscombe's_quartet thumbnail Anscombe's_quartet_3.svg?width=300.
- Anscombe's_quartet wikiPageExternalLink m28709.
- Anscombe's_quartet wikiPageExternalLink Visualisation.html.
- Anscombe's_quartet wikiPageID "10019241".
- Anscombe's_quartet wikiPageRevisionID "560982764".
- Anscombe's_quartet hasPhotoCollection Anscombe's_quartet.
- Anscombe's_quartet subject Category:1973_in_science.
- Anscombe's_quartet subject Category:1973_introductions.
- Anscombe's_quartet subject Category:Misuse_of_statistics.
- Anscombe's_quartet subject Category:Statistical_charts_and_diagrams.
- Anscombe's_quartet subject Category:Statistical_data_sets.
- Anscombe's_quartet type Abstraction100002137.
- Anscombe's_quartet type Chart106999802.
- Anscombe's_quartet type Collection107951464.
- Anscombe's_quartet type Communication100033020.
- Anscombe's_quartet type Group100031264.
- Anscombe's_quartet type Set107996689.
- Anscombe's_quartet type StatisticalChartsAndDiagrams.
- Anscombe's_quartet type StatisticalDataSets.
- Anscombe's_quartet type VisualCommunication106873252.
- Anscombe's_quartet comment "Anscombe's quartet comprises four datasets that have nearly identical simple statistical properties, yet appear very different when graphed. Each dataset consists of eleven (x,y) points.".
- Anscombe's_quartet label "Anscombe's quartet".
- Anscombe's_quartet label "Anscombe-Quartett".
- Anscombe's_quartet label "Cuarteto de Anscombe".
- Anscombe's_quartet label "Kwartet Anscombe'a".
- Anscombe's_quartet label "Kwartet van Anscombe".
- Anscombe's_quartet label "Quartet d'Anscombe".
- Anscombe's_quartet label "Quarteto de Anscombe".
- Anscombe's_quartet label "Квартет Энскомба".
- Anscombe's_quartet label "アンスコムの例".
- Anscombe's_quartet label "安斯库姆四重奏".
- Anscombe's_quartet sameAs Anscombe-Quartett.
- Anscombe's_quartet sameAs Cuarteto_de_Anscombe.
- Anscombe's_quartet sameAs Anscomberen_laukote.
- Anscombe's_quartet sameAs Quartet_d'Anscombe.
- Anscombe's_quartet sameAs アンスコムの例.
- Anscombe's_quartet sameAs Kwartet_van_Anscombe.
- Anscombe's_quartet sameAs Kwartet_Anscombe'a.
- Anscombe's_quartet sameAs Quarteto_de_Anscombe.
- Anscombe's_quartet sameAs m.02pz_7g.
- Anscombe's_quartet sameAs Q2554672.
- Anscombe's_quartet sameAs Q2554672.
- Anscombe's_quartet sameAs Anscombe's_quartet.
- Anscombe's_quartet wasDerivedFrom Anscombe's_quartet?oldid=560982764.
- Anscombe's_quartet depiction Anscombe's_quartet_3.svg.
- Anscombe's_quartet isPrimaryTopicOf Anscombe's_quartet.
