InterviewSolution
Saved Bookmarks
| 1. |
If sum_(i=1)^9 (x_i- 5) = 9 and sum_(i=1)^9 (x_i - 5)^2 = 45. The standard deviation of the observations x_1, x_2,………,x_9 is …………. |
|
Answer» 9 |
|