OpenIntroStat · hardin47 · Oct 11, 2023 · Sep 26, 2023 · Oct 11, 2023 · Oct 11, 2023
diff --git a/03-data-applications-old.qmd b/03-data-applications-old.qmd
diff --git a/03-data-applications.qmd b/03-data-applications.qmd
diff --git a/_freeze/03-data-applications/execute-results/html.json b/_freeze/03-data-applications/execute-results/html.json
diff --git a/_freeze/03-data-applications/figure-html/fig-paralympic-cat-1.png b/_freeze/03-data-applications/figure-html/fig-paralympic-cat-1.png
diff --git a/_freeze/03-data-applications/figure-html/fig-paralympic-grouped-1.png b/_freeze/03-data-applications/figure-html/fig-paralympic-grouped-1.png
diff --git a/_freeze/03-data-applications/figure-html/fig-paralympic-ungrouped-1.png b/_freeze/03-data-applications/figure-html/fig-paralympic-ungrouped-1.png
diff --git a/_freeze/06-explore-applications/execute-results/html.json b/_freeze/06-explore-applications/execute-results/html.json
diff --git a/_freeze/10-model-applications/execute-results/html.json b/_freeze/10-model-applications/execute-results/html.json
diff --git a/book.bib b/book.bib
@@ -196,4 +196,16 @@ @article{Hesterbeg:2015
   year={2015},
   publisher={Taylor \& Francis},
   doi={10.1080/00031305.2015.1089789}
+}
+
+@article{Witmer:2021,
+author = {Jeff Witmer},
+title = {Simpson's Paradox, Visual Displays, and Causal Diagrams},
+journal = {The American Mathematical Monthly},
+volume = {128},
+number = {7},
+pages = {598-610},
+year = {2021},
+publisher = {Taylor & Francis},
+doi = {10.1080/00029890.2021.1932237}
 }