A research firm reported that 15% of those surveyed described their

     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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