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@@ -17,4 +17,12 @@ Otherwise, by applying a Monte Carlo method to a quarter-circle surface of radiu
 - The minimum is  **2.8**
 - The maximum is  **23.4**
 - The median  is  **14.5**
-- The standard deviation is **4.33**
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+- The standard deviation is **4.33**
+
+## 2.5 Critical examination of a data analysis
+
+The three errors of reasoning that led to an underestimation of the probability of failure
+
+- It is not reasonable to draw a conclusion by not having any data for such low temperatures
+- Key data were excluded from the analysis
+- Uncertainty of the estimate has not been taken into account when analyzing the output of the logistic regression
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