supplement the answers to exercises of modules 2 and 3

journal/Readme.md

@@ -129,6 +129,28 @@ False
 
 ## Module 2, June 6, 2022
 
+**Exercice 02-2**
+
+*What is the average ?*
+
+14.11
+
+*What is the minimum ?*
+
+2.8
+
+*What is the maximum ?*
+
+23.4
+
+*What is the median ?*
+
+14.5
+
+*What is the standard deviation ?*
+
+4.33
+
 **Quiz 06**
 
 *A computational document allows you to:*
@@ -282,6 +304,16 @@ There are the same features for both languages
 
 ## Module 3, June 7 2022
 
+**Exercice 03-2**
+
+*Which year had the strongest epidemic?*
+
+2009
+
+*Which year had the weakest epidemic?*
+
+2020
+
 **Quiz 12**
 
 *What distinguishes a replicable data analysis from a traditional analysis?*