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What is the set of hypotheses tha liam is testing

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liam is evaluating the effects of the 1987 market decline on the volume of trading.specifically,he wants to test whether the decline affected trading volume.he selected a sample of 500 companies and collected data on the total annual volume for one year prior to the decline and for one year following the decline, what is the set of hypotheses tha liam is testing.

Reference no: EM131131785

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