Question: In an insurance study of pedestrian deaths in New York State, monthly fatalities are totaled for two different time periods. Sample data for the first time period are summarized by these statistics: n=12, x=46.42, s= 11.07. Sample data from the second time period are summarized by these statistics: n=12, x=51.00, s=10.39. At the .05 significance level test the claim that both time periods have the same variance.