The Fish and Game Department stocked Lake Lulu with fish in the following proportions: 30% catfish, 15% bass, 40% bluegill, and 15% pike. Five years later it sampled the lake to see if the distribution of fish had changed. It found that the 502 fishes in the sample were distributed as followsType of fishObserved caughtcatfish120bass86bluegill220pike76 χ2 value of this sample is?