A research firm reported that 15% of those surveyed described their health as poor, 26% good, 40% very good, 19% excellent. A health professional in Chicago wanted to see if people in Chicago felt the same way. In a sample of 600 people in Chicago, 70 described health as poor, 180 good, 210 very good, 140 as excellent. Complete chart of observed and expected and calculate the test statistic and give .05 confidence level the result of the chi sq test
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