One of the key determinants to economic growth is access to capital. Using 54 variables to create an index of 1-7, with 7 being best possible access to capital, an economic institute ranked the following as the top ten nations (although technically Hong Kong is not a nation) by the ability of their entrepreneurs to gain access to capital. Country Index Hong Kong Netherlands 5.79 5.70 U.K. 5.59 Singapore 5.57 Switzerland 5.54 Country U.S. Index 5.54 Australia 5.40 Finland 5.33 Germany 5.24 Denmark 5.02 Find the mean of the indices of the top ten nations. (Round your answer to two decimal places.) What is the standard deviation for these data? (Round your answer to two decimal places.) Show My Work (Optional)?