REALIBILITAS SOAL
Ganjil – Genap
|
No |
Nama
|
SKOR
1 2 3 4 5 6 7 8 9 10 |
Ganjil |
Genap |
|
1. |
Ana |
1 0 1 1 1 1 1 0 0 0 |
4 |
2 |
|
2. |
Budi |
0 1 1 1 1 1 0 1 0 0 |
2 |
4 |
|
3. |
Cici |
1 1 1 1 1 1 1 0 1 0 |
5 |
3 |
|
4. |
Doni |
1 1 1 1 0 1 1 0 1 0 |
4 |
3 |
|
5. |
Elang |
1 1 0 0 1 1 1 1 1 1 |
4 |
4 |
|
6. |
Fakhri |
1 1 0 0 1 0 1 1 1 1 |
4 |
3 |
|
7. |
Gilang |
1 1 1 0 0 0 0 1 1 1 |
3 |
3 |
|
8. |
Hilman |
1 1 1 1 1 1 0 0 0 1 |
3 |
4 |
|
9. |
Inggrid |
0 1 1 1 1 1 1 0 0 0 |
3 |
3 |
|
10. |
Jenny |
0 1 0 0 1 1 1 1 0 1 |
2 |
4 |
|
Jumlah |
|
34 |
33 |
|
| No |
Nama |
X |
Y |
X² |
Y² |
XY |
|
1. |
Ana |
4 |
2 |
16 |
4 |
8 |
|
2. |
Budi |
2 |
4 |
4 |
16 |
8 |
|
3. |
Cici |
5 |
3 |
25 |
9 |
15 |
|
4. |
Doni |
4 |
3 |
16 |
9 |
12 |
|
5. |
Elang |
4 |
4 |
16 |
16 |
16 |
|
6. |
Fakhri |
4 |
3 |
16 |
9 |
12 |
|
7. |
Gilang |
3 |
3 |
9 |
9 |
9 |
|
8. |
Hilman |
3 |
4 |
9 |
16 |
12 |
|
9. |
Inggrid |
3 |
3 |
9 |
9 |
9 |
|
10. |
Jenny |
2 |
4 |
4 |
16 |
8 |
|
Jumlah |
34 |
33 |
124 |
113 |
109 |
|
N ∑ XY ─ ( ∑ X ) ( ∑ Y )
Rxy = ––––––––––––––––––––––––––––––––––
√ { N ∑ X² ─ ( X )² } { N ∑ Y² ─ ( Y )² }
10 . 109 ─ ( 34 ) ( 33 )
= –––––––––––––––––––––––––––––––––––––
√ { 10 . 124 ─ ( 34 )² } { 10 . 113 ─ ( 33 ) ² }
1090 ─ 1122
= –––––––––––––––––––––––––––––
√ ( 1240 ─ 1156 ) ( 1130 ─ 1089 )
-32
= –––––––––
√ 84 . 41
-32 -32
= ––––––– = –––––– = -0,54
√ 3444 58,68
2 r ½ ½
R = –––––––––––
( 1 + r ½ ½ )
2 x -0,54
= ––––––––––––
1 + ( -0,54 )
-1,08
= ––––––
0,46
= -2,34
