The monthly salaries (in thousands of dollars) of a sample of 6 sales representatives are as follows: 6,10,7,9,11,11. Find the standard deviation of…

The monthly salaries (in thousands of dollars) of a sample of 6 sales representatives are as follows: 6,10,7,9,11,11. Find the standard deviation of this sample of monthly salaries. Round your answer to at least two decimal places.