Domestic chickens come in a variety of shapes and sizes. “Henderson’s Handy-Dandy Chicken Chart” (this is actually a real thing! See the link below) lists more than 60 chicken breeds and their characteristics. Bantams (a small sub-category of chickens) were excluded and the average weight (in kilograms) of the females of the remaining 55 breeds appears below.

2.5 2.0 2.4 1.8 2.2 2.2 2.9 2.9 4.1 2.9 2.3 2.2 2.7 2.9 3.8 3.6 3.0 2.0 2.9 2.2 2.2 3.4 1.6 1.8 2.9 3.0 3.4 4.6 2.5 1.8 2.9 3.4 2.0 3.2 3.2 3.2 2.0 2.7 2.9 1.8 2.7 3.6 1.8 1.8 3.4 1.9 2.7 2.9 2.7 1.8 3.2 3.2 2.7 2.9 1.8

Select the proper test for this data set and then determine if the mean (median) female chicken weight is less than 2.875 kg (a = .10).

Source: http://www.sagehenfarmlodi.com/chooks/chooks.html