A sample of 27 employees for the Department of Health and Human Services has the following salaries, in thousands of dollars. Assuming normality, use Excel to find the 98% confidence interval for the true mean salary, in thousands of dollars. Round your answers to two decimal places and use increasing order.

13.9, 16.4, 12.3, 13.2, 8.4, 4.4, 10.3, 8.8, 4.8