The state of California is working very hard to make sure that all elementary-aged students whose native language is not English become proficient in English by the sixth grade. Their progress is monitored each year using the California English Language Development Test. The results for two school districts in southern California for a recent school year are shown below.

Does this data provide sufficient statistical evidence to indicate that the percentage of students who are fluent in English differs for these two districts? Test using α = .01.