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@@ -42,9 +42,10 @@ With the LED turned off the observed values were lower, as would be expected, as
 
 ### Exercise 3
 
-*In this exercise we change the sample interval.*
-
+*In this exercise we increase the sample interval, observe the changes, and try to explain these changes.*
 
+As we increased the sample interval, the LEGO-car seemed to behave more and more erratically. 
+ the intervals between light value samples became longer. 
 
 ### Exercise 4