Biologists conducted experiments to determine whether a deficiency of carbon dioxide in the soil affects the phenotypes

Question:

Biologists conducted experiments to determine whether a deficiency of carbon dioxide in the soil affects the phenotypes of peas. Listed below are the phenotype codes, where 1 = smooth-yellow, 2 = smooth-green, 3 = wrinkled-yellow, and 4 = wrinkled-green. Can the measures of center be obtained for these values? Do the results make sense?
2 1 1 1 1 1 1 4 1 2 2 12 3 3 2 31 3 1 3 1 3 2 2