diff --git a/README.md b/README.md
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+++ b/README.md
@@ -69,3 +69,13 @@ densiteOceanie = populationOceanie / surfaceOceanie;
     - Asie : 140.97 habitants/km²
     - Europe : 32.28 habitants/km²
     - Océanie : 4.76 habitants/km²
+
+## Question 3
+> Représenter la densité moyenne d’habitants au km2 pour chaque continent en utilisant un diagramme en bâtons (on mettra en abscisse des entiers de 1 à 6).
+
+**[Script Scilab](resources/scripts/ex1-3.sce) :**
+```scilab
+bar([densiteAfrique, densiteAmeriqueDuNord, densiteAmeriqueDuSud, densiteAsie, densiteEurope, densiteOceanie]);
+```
+**Résultat :**
+![Diagramme en bâtons](resources/img/ex1-3.png)
\ No newline at end of file
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diff --git a/resources/scripts/ex1-3.sce b/resources/scripts/ex1-3.sce
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+++ b/resources/scripts/ex1-3.sce
@@ -0,0 +1,10 @@
+data = csvRead("resources/data/data.csv");
+
+densiteAfrique = sum(data(1:57, 3)* 1000000) / sum(data(1:57, 2)* 1000);
+densiteAmeriqueDuNord = sum(data(58:86, 3)* 1000000) / sum(data(58:86, 2)* 1000);
+densiteAmeriqueDuSud = sum(data(87:99, 3)* 1000000) / sum(data(87:99, 2)* 1000);
+densiteAsie = sum(data(100:150, 3)* 1000000) / sum(data(100:150, 2)* 1000);
+densiteEurope = sum(data(151:193, 3)* 1000000) / sum(data(151:193, 2)* 1000);
+densiteOceanie = sum(data(194:207, 3)* 1000000) / sum(data(194:207, 2)* 1000);
+
+bar([densiteAfrique, densiteAmeriqueDuNord, densiteAmeriqueDuSud, densiteAsie, densiteEurope, densiteOceanie]);