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Q1) Each month National Association of Purchasing Managers publishes NAPM index. One of the questions asked on survey to purchasing agents is: Do you think economy is expanding? Last month, of 300 responses, 160 answered yes to question. This month, 170 of the 290 responses indicated they felt economy was expanding. At.05 significance level, can we conclude that larger proportion of the agents think the economy is expanding this month?

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