Each month the National Association of Purchasing Managers publishes the NAPM index. One of the questions asked on the survey to purchasing agents is: Do you think the economy is contracting? Last month, of the 300 responses, 160 answered yes to the question. This month, 170 of the 290 responses indicated they felt the economy was contracting.
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The test statistic is _________________. (Negative value should be indicated by a minus sign. Do not round the intermediate value. Round your answer to 2 decimal places.)
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