- REALIBILITAS SOAL
Ganjil – Genap
|
No |
Nama
|
SKOR
1 2 3 4 5 6 7 8 9 10 |
Ganjil |
Genap |
|
1. |
Bandi |
0 1 1 1 0 1 1 1 0 1 |
2 |
5 |
|
2. |
Aki |
1 1 0 1 0 1 0 1 1 1 |
2 |
5 |
|
3. |
Eko |
1 1 1 1 1 1 1 1 1 0 |
5 |
4 |
|
4. |
Nafi |
1 1 0 1 1 0 1 0 0 0 |
3 |
2 |
|
5. |
Wawan |
0 0 1 1 0 1 0 0 0 1 |
1 |
3 |
|
6. |
Jaka |
1 1 1 1 0 1 0 0 0 1 |
2 |
4 |
|
7. |
Ferry |
1 1 1 1 1 0 1 1 0 0 |
4 |
3 |
|
8. |
Bagus |
1 1 1 1 0 0 1 1 0 1 |
3 |
4 |
|
9. |
Nugraha |
1 1 1 0 0 1 1 1 0 0 |
3 |
3 |
|
10. |
Faisal |
1 1 1 1 0 1 1 0 0 0 |
3 |
3 |
|
Jumlah |
|
28 |
36 |
|
| No |
Nama |
X |
Y |
X² |
Y² |
XY |
|
1. |
Bandi |
2 |
5 |
4 |
25 |
10 |
|
2. |
Aki |
2 |
5 |
4 |
25 |
10 |
|
3. |
Eko |
5 |
4 |
25 |
16 |
20 |
|
4. |
Nafi |
3 |
2 |
9 |
4 |
6 |
|
5. |
Wawan |
1 |
3 |
1 |
9 |
3 |
|
6. |
Jaka |
2 |
4 |
4 |
16 |
8 |
|
7. |
Ferry |
4 |
3 |
16 |
9 |
12 |
|
8. |
Bagus |
3 |
4 |
9 |
16 |
12 |
|
9. |
Nugraha |
3 |
3 |
9 |
9 |
9 |
|
10. |
Faisal |
3 |
3 |
9 |
9 |
9 |
|
Jumlah |
28 |
36 |
90 |
138 |
99 |
|
N ∑ XY ─ ( ∑ X ) ( ∑ Y )
Rxy = ––––––––––––––––––––––––––––––––––
√ { N ∑ X² ─ ( X )² } { N ∑ Y² ─ ( Y )² }
10 . 99 ─ ( 28 ) ( 36 )
= –––––––––––––––––––––––––––––––––––––
√ { 10 . 90 ─ ( 28 )² } { 10 . 138 ─ ( 36 ) ² }
990 ─ 1008
= –––––––––––––––––––––––––––––
√ ( 900 ─ 784 ) ( 1380 ─ 1296 )
-18
= –––––––––
√ 116 . 84
-18 -18
= ––––––– = –––––– = -0,18
√ 9744 98,71
2 r ½ ½
R = –––––––––––
( 1 + r ½ ½ )
2 x -0,18
= ––––––––––––
1 + ( -0,18 )
-0,36
= ––––––
0,82
= -0,43
