The 2005 Atlantic hurricane season was notable for many reasons, among them the most named storms and the most hurricanes.

Divide the 28 storms into 4 subgroups. Then select a sample of three storms from each group. Compute the means for wind speeds. Compare these means to the population mean.

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2005 Hurricane Season Name Arlene Bret Cindy Dennis Emily Franklin Gert Harvey Irene Jose Katrina Lee Maria Nate Ophelia Philippe Rita Stan Unnamed Tammy Vince Wilma Alpha Beta Gamma Delta Epsilon Zeta Max. Wind 70 40 75 150 160 70 45 65 105 50 175 40 115 90 85 80 175 80 50 50 75 175 50 115 55 70 85 65 Classification Storm S Hurricane H :HSSSHSH H H H H Η HSS HIS Hss HS Н Η Η S S Н