An endangered species of bird, the whooping crane, has an average egg weight of 208 grams. A researcher hypothesizes that the average weight of a whooping crane egg has increased, and wishes to test...

An endangered species of bird, the whooping crane, has an average egg weight of 208 grams. A researcher hypothesizes that the average weight of a whooping crane egg has increased, and wishes to test this belief at the 0.01 significance level. She records the following weights of a sample of whooping crane eggs. Is there sufficient evidence to support her claim?

210, 208.5, 211.6, 212, 210.3, 210.2, 209, 206.4, 209.7