$np=7(0.36)=2.52 \uparrow 3$ The $36$-th percentile is $135$. 
The following are the weights (in pounds) of seven people: $100, 115, 135, 140, 180, 197, 230$. Find the $36$-th percentile. 

  - $$180$$ 
  - $$115$$ 
  - $$135$$ 
  - $$140$$ 