Clarify exercise, closes #1543
This commit is contained in:
		@@ -751,7 +751,7 @@ Each stat is a function, so you can get help in the usual way, e.g., `?stat_bin`
 | 
			
		||||
4.  What variables does `stat_smooth()` compute?
 | 
			
		||||
    What arguments control its behavior?
 | 
			
		||||
 | 
			
		||||
5.  In our proportion bar chart, we need to set `group = 1`.
 | 
			
		||||
5.  In our proportion bar chart, we needed to set `group = 1`.
 | 
			
		||||
    Why?
 | 
			
		||||
    In other words, what is the problem with these two graphs?
 | 
			
		||||
 | 
			
		||||
 
 | 
			
		||||
		Reference in New Issue
	
	Block a user