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.
Video - August 18, 2016; 3:00 PM ET. Louisiana braces for flooding rain that may exacerbate 'worst natural disaster since Superstorm Sandy'. News - August 18, 2016; 12:09 PM ET. The ongoing threat of downpours, heat and high humidity will not offer assistance for hard-hit flood areas of Louisiana through this weekend.