diff --git a/Jorunal /fichier-markdown.md b/Jorunal /fichier-markdown.md
index 82cb973b868cd50cb28f953095751e25ac42b323..86c6bfb7a3dd836f36b53edd6475751f32314ef4 100644
--- a/Jorunal /fichier-markdown.md	
+++ b/Jorunal /fichier-markdown.md	
@@ -143,7 +143,7 @@ Liste numérotée
 ```
 
 
-# __MODULE 2_
+# __MODULE 2__
 
 ## QUIZ 06
 
@@ -232,7 +232,7 @@ Use multiple languages to perform computations (even if it may require some work
 
 
 
-## QUIZ P 01
+## QUIZ P01
 
 1. What does an environment like Jupyter provide in comparison to working in the Python console or running R scripts directly?
 
@@ -256,9 +256,72 @@ Learning keyboard shortcuts
 Reading the documentation and cheat sheets
 
 
+## QUIZ 12
 
+1. What distinguishes a replicable data analysis from a traditional analysis?
 
+ The code for all computations is included 
+ 
+2. What are the advantages of a replicable analysis? What are the advantages of a replicable analysis?
+
+It is easier to modify
+It is easier to verify
+
+## QUIZ 13
+
+1. Where do the data on the incidence of influenza-like illness come from?.
+
+From the “réseau Sentinelles”, a network of general practitioners
+
+2. In which format are the data avialable?
+
+CSV format 
+
+3. Which is the sampling frequency of the incidence data?
+
+One value per week
+
+4. Why do we advise against removing the missing data line from the downloaded data file?
+
+It would leave no visible trace of the manipulation
+
+
+## QUIZ P04
+
+1. Where did we find the URL for downloading the data?
+
+In the Web browser’s download history 
+
+2. How do we handle missing data?
+
+We remove the data points before continuing with the analysis 
+
+## QUIZ P07
+
+1. Why do we have to transform the week labels?
+
+Pandas cannot interpret the format of the original data
+
+2. What's the point of checking that the distance between two consecutive weeks is seven days?
+
+The check would find weeks completely absent from the dataset
+The check could have identified mistakes in the date conversion
+
+3. Which methods did we use to verify our work?
+
+Visual inspection
+Code written specifically for verification
+
+
+## QUIZ P10
+
+1. Why did we choose the first of August as the beginning of each annual period?
+
+The incidence of influenza-like illness is weakest around that date
+
+2. Why don’t our annual periods contain exactly 52 weeks?
 
+A year has always more than 7 x 52 days