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Seven measurements of the length of a table in centimeters are 181.3, 184, 182.7, 181.4, 181.9,...

Seven measurements of the length of a table in centimeters are 181.3, 184, 182.7, 181.4, 181.9, 184.4, and 180.1. Find the standard deviation of the measurements. Enter answer in centimeters.

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