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.
West Virginia had the highest accidental death rate at 71.5 deaths per 100,000 residents. New York had the lowest rate at 27.5 deaths per 100,000 residents. These are the states with the highest accidental death rates. Click here to see the states with the most deadly accidents. Motor vehicle accidents were the leading cause of accidental death in 18 states. Some of these states had relatively lax motor vehicle regulations.