A researcher wants to see if birds that build larger nests lay larger eggs. He selects two random samples of nests: one of small nests and the other of large nests. He weighs one egg from each nest. The data are summarized below: | | Small nests | Large nests | | Sample size | 60 | 159 | | Sample mean (g) | 37.2 | 35.6 | | Sample variance | 24.7 | 39.0 |

Do birds that build large nests lay larger eggs?