A science class helped to estimate the population of various bird species at their local swamp. They made two visits to the swamp During the first visit, the class took a random sample of birds and tagged them
During the second visit, they took another random sample of birds. From this second sample, they counted the total number of birds and counted the
birds with tags
This table shows their results.
First Visit
Second Visit
Bird Species Total Tagged Total Counted Birds with Tags
Egret
18
46
0
Crane
34
22
5
Heron
21
78
9
Based on the data samples collected, select all of the statements that show reasonable estimates of the overall population.
There are less herons than cranes in the swamp.
There are about 97 cranes in the swamp.
There are about 92 egrets in the swamp.
There are fewing egrets than cranes.