

MCQOPTIONS
Saved Bookmarks
1. |
Assuming the variance of four numbers w, x, y, and z as 9. Find the variance of 5w, 5x, 5y and 5z. |
A. | 225 |
B. | 5/9 |
C. | 9/5 |
D. | 54 |
Answer» B. 5/9 | |