Question: Amounts of Shrimp Caught? According to the National Marine Fisheries Service, the amounts of shrimp landed during the month of January (in thousands of pounds) are shown below for several Gulf Coast states for three selected years. At the 0.05 level of significance, is there sufficient evidence to conclude a difference in the mean production between 2007 and 2006? Between 2006 and 2005?

Florida Alabama Mississippi Louisiana Texas

2007 344.4 207.0 169.0 1711.5 861.8

2006 1262.0 960.0 529.0 1969.0 1405.0

2005 944.0 541.0 330.0 2300.0 613.0