The annual update of U.S. Overseas Loans and Grants, informally known as the "Greenbook," contains data on U.S. government monetary economic and military assistance loans. The following table shows military assistance loans, in thousands of dollars, to a sample of 10 countries, as reported by the U.S. Agency for International Development. 102, 69, 280, 180, 33, 89, 1643, 205, 177, 695 1. The sample mean is (Round to one decimal place) 2. The sample standard deviation is (Round to one decimal place) 3. The sample size is 4. The degree of freedom for the Studentized version of the sample mean is 5. The point estimate for the mean of ALL US Overseas Loans and Grants is 6. The t-value for a 95% confidence interval is t = 7. The Margin of error for a 95% confidence interval for this sample is