The scores of 10 students in a test are 85, 87, 87, 89, 89, 91, 91, 93, 95, and 95. What is the standard deviation of the scores of the students?
1
1.29
2
2.99
3
3.25
4
4.21
The scores of 10 students in a test are 85, 87, 87, 89, 89, 91, 91, 93, 95, and 95. What is the standard deviation of the scores of the students?