which statistical test would i use?

[Jg596]

Allens rule suggests that the extremities of animals are shorter in the cooler part of their range than in warmer part. An ecologist wishes to test this rule, hence she collects wing length data for northern cardinal, in different parts of their range. Based on these data, answer the questions below. show your work

Wing length (mm)
North South
120 116
113 117
125 121
118 114
116 116
114 118
119 123
120

[Jg596]

the last 120 goes on the south column not the north thanx