Last month, 5 customers of Macland Automotive bought the extended service plan with their purchase of a new car. All of their credit scores are given below. Calculate the standard deviation of this population data. Round your answer to 2 places after the decimal point, if necessary.
standard deviation =
| x |
|---|
| 751.4 |
| 680.8 |
| 771.8 |
| 732.4 |
| 769 |
standard deviation =