Find the standard error of estimate \(s_{e}\) and interpret the result.

Use the data in the table, which shows the average annual salaries (both in thousands of dollars) for librarians and postsecondary library science teachers in the United States for 12 years. 

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Librarians, .x Library science teachers, y 49.1 56.6 50.9 57.6 52.9 59.7 54.7 61.6 55.7 64.3 56.4 67.0 57.0 70.0 57.2 70.8 57.6 73.3 58.1 72.4 58.9 73.0 59.9 72.3