Are there grounds to reject the magazines claim

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Reference no: EM131380911

According to Fortune, on February 27, 2007, the average stock in all U.S. exchanges fell by 3.3%.

If a random sample of 120 stocks reveals a drop of 2.8% on that day and a standard deviation of 1.7%, are there grounds to reject the magazine's claim?

Reference no: EM131380911

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