|
female (N=165) |
male (N=168) |
|
|
|
Mean |
Std. Dev. |
Mean |
Std. Dev. |
Diff. in Means |
Std. Error |
X |
|
173.4 |
99.1 |
175.2 |
98.0 |
1.8 |
10.8 |
bill_length_mm |
|
42.1 |
4.9 |
45.9 |
5.4 |
3.8 |
0.6 |
bill_depth_mm |
|
16.4 |
1.8 |
17.9 |
1.9 |
1.5 |
0.2 |
flipper_length_mm |
|
197.4 |
12.5 |
204.5 |
14.5 |
7.1 |
1.5 |
body_mass_g |
|
3862.3 |
666.2 |
4545.7 |
787.6 |
683.4 |
79.9 |
year |
|
2008.0 |
0.8 |
2008.0 |
0.8 |
0.0 |
0.1 |
|
|
N |
Pct. |
N |
Pct. |
|
|
species |
Adelie |
73 |
44.2 |
73 |
43.5 |
|
|
|
Chinstrap |
34 |
20.6 |
34 |
20.2 |
|
|
|
Gentoo |
58 |
35.2 |
61 |
36.3 |
|
|
island |
Biscoe |
80 |
48.5 |
83 |
49.4 |
|
|
|
Dream |
61 |
37.0 |
62 |
36.9 |
|
|
|
Torgersen |
24 |
14.5 |
23 |
13.7 |
|
|