Use the data for the following question:
Table 7: Urea Nitrogen Concentration in 9 Employees (mg/dL) Concentration (mg/dL) | x- | (x-)2 |
10 | | |
11 | | |
11 | | |
13 | | |
9 | | |
5 | | |
15 | | |
7 | | |
9 | | |
Total | | |
What is the standard deviation of the above data? You may find it helpful to make a chart similar to the one above.
Please select the single best answer