The fish example Estimating the number n of fish in a lake or pond. 1. C fish is caught, tagged, and returned to the lake. 2. Later on, R fish are caught and checked for tags. Say T of them have tags. 3. The numbers c r and t are used to estimate the fish population. Ka-fu Wong C2007 ECON1003: Analysis of Economic Data Lesson 1-8Ka-fu Wong © 2007 ECON1003: Analysis of Economic Data Lesson1-8 The fish example ◼ Estimating the number (N) of fish in a lake or pond. 1. C fish is caught, tagged, and returned to the lake. 2. Later on, R fish are caught and checked for tags. Say T of them have tags. 3. The numbers C, R, and T are used to estimate the fish population