Description. Performs a t-test for the comparison of the means of two independent samples. This test is not performed on data in the spreadsheet, but on statistics you enter in a dialog box.escription. Performs a t-test for the comparison of the means of two independent samples. This test is not performed on data in the spreadsheet, but on statistics you enter in a dialog box.
The states with the most weather-related disasters topping more than $1 billion are Texas, Missouri, Alabama, Georgia, Tennessee and South Carolina, which each had at least 31 expensive events in the past 30 years.
Quick Answer. According to climate researcher Ben Strauss, Florida, Louisiana, California and New York are the states most vulnerable to flooding. A 2013 report ranked Miami; New York; New Orleans; Tampa, Florida; and St. Petersburg, Florida as the most flood-prone cities in the United States. Most of Florida is especially vulnerable to floods, because the state's largest cities are concentrated along the coast.