Simple average |
Knowledge level (N) |
Knowledge level (N) |
Knowledge level (N) |
Knowledge level (N) |
|
1 (325) |
2 (682) |
3 (770) |
4 (82) |
My blood type |
3.047 |
3.282 |
3.474 |
3.930 |
Other Blood type |
2.893 |
3.017 |
3.154 |
3.350 |
Difference |
0.154 |
0.265 |
0.319 |
0.581 |
No. of reverse item(s) |
1 |
2 |
1 |
1 |