The table below presents data showing the observed relationship between dissolved oxygen and the number of fish present in a body of water.
Table 2: Dissolved oxygen (e.g., water quality) vs. fish population size
Dissolved Oxygen (ppm) 0 2 4 6 8 10 12 14 16 18
Number of Fish Observed 0 1 3 10 12 13 15 10 12 13
tutorsglobe Question - In the table above, what are the independent and dependent variables and explain how you know this?