Decision tree when leaf nodes are numerical values

I'm having a dataset, where I created a decision tree. My output variables are binary values. I selected two features and the decision tree was generated using R. This is my code.

latlontree = rpart(Medv ~ Crim + Rm, data=housing_data)


Following is my decision tree

Can someone help me to interpret this decision tree with any branch When I changed my code to following the tree changed like below

What is the difference? Is right hand side of the tree corresponding always to No?