Statistical Analysis of Presence of Mirror on P9

c 2 Test

Major groupings:

 

Sample

%P9 mirror

South-ern

atlantis

Azorean

atlantis

Iberian

atlantis

Atl-Med

Intersection

atlantis/micha-hellis

SW Spain

micha-hellis

Cam-argue

micha-hellis

N Spain

cant-abricans

SW England argen-teus

Southern

atlantis

293

22.5

X

-

0.6

0.01

13.2

-

2.0

-

3.3

0.01

153.8

0.01

45.3

0.01

45.2

Azorean

atlantis

23

13.0

 

X

0.05

5.1

-

2.2

-

3.3

(0.01

80.0)

0.01

23.1

0.01

24.3

Iberian

atlantis

132

40.3

 

 

X

-

0.6

-

0.0

0.01

73.0

0.01

16.5

0.01

17.5

Atl-Med

Intersection

atlantis/micha-hellis

52

32.1

 

 

 

X

-

0.2

0.01

69.1

0.01

17.5

0.01

18.7

SW Spain

michahellis

26

40.4

 

 

 

 

X

(0.01

50.6)

0.01

8.4

0.01

11.0

Camargue

michahellis

79

100.0

 

 

 

 

 

X

(0.01

10.1)

(-

3.4)

N Spain

cantabricans

27

84.6

 

 

 

 

 

 

X

(-

0.0)

SW England argenteus

22

90.0

 

 

 

 

 

 

 

X

Southern atlantis - W Canaries vs E Canaries:

 

Sample

%P9 mirror

W Canary

E Canary

W Canary

101

18.8

X

-

1.6

E Canary

87

27.6

 

X

Note:

Significance is shown above the chi-square test-result in each cell; degree of freedom =1 in each case; ( 3.84 <= chi-square < 6.63) for significance 0.05 (shown in green) and chi-square >= 6.63 for significance 0.01 (shown in red). Brackets indicate that one or more expected values in the test was less than the recommended 5. Statistics following Statistics for Ornithologists, Jim Fowler and Louis Cohen, BTO Guide 22 (undated).

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