For two years, two samples of fish were taken from a pond. Each year, the second sample was taken six
months after the first sample.
Year 1
Trout
Catfish
Bass
All Fish
Sample 1
3
9
8
Sample 2
5
9
6
Make an inference about which fish increased its
predicted average population from Year 1 to Year 2.
All three types of fish increased their predicted
average population
O Troucreased its predicted average population.
O Bass increased its predicted average population.
O None of the fish increased their predicted average
population
20
20
Year 2
Trout
Catfish
Bass
All Fish
Sample 1
8
10
2
20
Sample 2
10
9
1
20