The scarce and essential metal, manganese, has been found in abundance in nodules on the deep seafloor.

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The scarce and essential metal, manganese, has been found in abundance in nodules on the deep seafloor. To investigate the relationship between the magnetic age of Earth’s crust on the ocean floor and the probability of finding manganese nodules in that location, crust specimens were selected from seven magnetic age locations and the percentage of specimens containing manganese nodules was recorded for each. The data are shown in the accompanying table. Is there sufficient evidence to indicate that the probability of finding manganese nodules in the deep-sea Earth’s crust is dependent on the magnetic age of the crust? Test using α = .05.

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Statistics For Engineering And The Sciences

ISBN: 9781498728850

6th Edition

Authors: William M. Mendenhall, Terry L. Sincich

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