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The following table summarizes whether the stock market went up or down during each trading day of 2010. Suppose this is a simple random sample.

The following table summarizes whether the stock market went up or down during each trading day of 2010. Suppose this is a simple random sample. Let us suppose the significance level ?=0.05

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Day of Week Monday Tuesday Wednesday Thursday Friday Market Down 42 49 46 43 41 Direction Up 53 55 58 59 58

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