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.
From a 20 foot storm tide at the coast to hurricane force wind gusts observed 200 miles inland, Hugo dealt a severe impact to both South and North Carolina. It is no exaggeration to say Hugo is the worst natural disaster in memory for most residents of South Carolina and western North Carolina.