A Research Firm Reported That 15% of Those Surveyed Described

Short Answer

A research firm reported that 15% of those surveyed described their health as
poor, 26% as good, 40% as very good, and 19% as excellent. A health
professional in Chicago wanted to determine if people in Chicago had similar
feelings toward their health. In a sample of 610 people in Chicago, 70 described
their health as poor, 180 as good, 220 as very good, and 140 as excellent.
Compute the test value.