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Problem 12 - B. The US EPA has published the following data for the release to t

ID: 1828137 • Letter: P

Question

Problem 12 - B.          

The US EPA has published the following data for the release to the Florida environment

of sulfuric acid (H2SO4), the most widely used industrial chemical (in millions of pounds).

            Year:      1992   1993    1994   1995   1996   1997   1998   1999   2000

            H2SO4 : 2.475 2.293 1.966 1.729 1.636 1.785 2.284 1.692 1.484

Does there appear to be any %u201Ctrend%u201D (consistent increase or decrease with time) in the data? Prepare a probability plot of the data. Is the data "normally" distributed?

Explanation / Answer

it is Statistics question!