PERHITUNGAN RELIABILITAS SOAL UJI COBA MANUAL
Karena pada Perhitungan Validitas soal Uji Coba (Perhitungan sebelumnya), diperoleh:
dari Tabel di atas, soal nomor 2b Validitasnya rendah sehingga soal tidak digunakan. Untuk Perhitungan Reliabilitas Soal Uji Coba hanya untuk soal yang digunakan (1, 2a, 3, 4 ,5 dan 6).
Perhitungan Reliabilitasnya, sebagai berikut:
TABEL BANTU RELIABILITAS
No
|
Kode
Siswa
|
Nomor Soal
|
Skor
|
y²
|
|||||||||||||||||
x1
|
x2a
|
x3
|
x4
|
x5
|
x6
|
x1²
|
x1.y
|
x2a²
|
x2a.y
|
x3²
|
x3.y
|
x4²
|
x4.y
|
x5²
|
x5.y
|
x6²
|
x6.y
|
||||
1
|
N1
|
2
|
1
|
2
|
1
|
2
|
1
|
9
|
4
|
20
|
1
|
10
|
4
|
20
|
1
|
10
|
4
|
20
|
1
|
10
|
81
|
2
|
N2
|
2
|
2
|
1
|
2
|
4
|
3
|
14
|
4
|
32
|
4
|
32
|
1
|
16
|
4
|
32
|
16
|
64
|
9
|
48
|
196
|
3
|
N3
|
4
|
4
|
4
|
1
|
4
|
4
|
21
|
16
|
88
|
16
|
88
|
16
|
88
|
1
|
22
|
16
|
88
|
16
|
88
|
441
|
4
|
N4
|
4
|
4
|
2
|
2
|
3
|
3
|
18
|
16
|
72
|
16
|
72
|
4
|
36
|
4
|
36
|
9
|
54
|
9
|
54
|
324
|
5
|
N5
|
3
|
4
|
2
|
1
|
1
|
3
|
14
|
9
|
45
|
16
|
60
|
4
|
30
|
1
|
15
|
1
|
15
|
9
|
45
|
196
|
6
|
N6
|
0
|
1
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
1
|
4
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
7
|
N7
|
2
|
3
|
1
|
3
|
3
|
4
|
16
|
4
|
34
|
9
|
51
|
1
|
17
|
9
|
51
|
9
|
51
|
16
|
68
|
256
|
8
|
N8
|
3
|
4
|
3
|
1
|
2
|
3
|
16
|
9
|
54
|
16
|
72
|
9
|
54
|
1
|
18
|
4
|
36
|
9
|
54
|
256
|
9
|
N9
|
4
|
2
|
3
|
3
|
3
|
4
|
19
|
16
|
84
|
4
|
42
|
9
|
63
|
9
|
63
|
9
|
63
|
16
|
84
|
361
|
10
|
N10
|
0
|
2
|
1
|
0
|
0
|
0
|
3
|
0
|
0
|
4
|
8
|
1
|
4
|
0
|
0
|
0
|
0
|
0
|
0
|
9
|
11
|
N11
|
1
|
1
|
2
|
1
|
4
|
0
|
9
|
1
|
10
|
1
|
10
|
4
|
20
|
1
|
10
|
16
|
40
|
0
|
0
|
81
|
12
|
N12
|
4
|
4
|
1
|
1
|
4
|
3
|
17
|
16
|
68
|
16
|
68
|
1
|
17
|
1
|
17
|
16
|
68
|
9
|
51
|
289
|
13
|
N13
|
2
|
4
|
1
|
2
|
3
|
3
|
15
|
4
|
30
|
16
|
60
|
1
|
15
|
4
|
30
|
9
|
45
|
9
|
45
|
225
|
14
|
N14
|
2
|
2
|
3
|
1
|
2
|
0
|
10
|
4
|
22
|
4
|
22
|
9
|
33
|
1
|
11
|
4
|
22
|
0
|
0
|
100
|
15
|
N15
|
4
|
4
|
2
|
3
|
3
|
3
|
19
|
16
|
88
|
16
|
88
|
4
|
44
|
9
|
66
|
9
|
66
|
9
|
66
|
361
|
16
|
N16
|
0
|
4
|
4
|
1
|
2
|
2
|
13
|
0
|
0
|
16
|
56
|
16
|
56
|
1
|
14
|
4
|
28
|
4
|
28
|
169
|
17
|
N17
|
3
|
2
|
1
|
4
|
4
|
3
|
17
|
9
|
51
|
4
|
34
|
1
|
17
|
16
|
68
|
16
|
68
|
9
|
51
|
289
|
18
|
N18
|
4
|
3
|
1
|
4
|
4
|
4
|
20
|
16
|
96
|
9
|
72
|
1
|
24
|
16
|
96
|
16
|
96
|
16
|
96
|
400
|
19
|
N19
|
3
|
4
|
2
|
1
|
2
|
2
|
14
|
9
|
45
|
16
|
60
|
4
|
30
|
1
|
15
|
4
|
30
|
4
|
30
|
196
|
20
|
N20
|
1
|
2
|
1
|
3
|
2
|
2
|
11
|
1
|
15
|
4
|
30
|
1
|
15
|
9
|
45
|
4
|
30
|
4
|
30
|
121
|
21
|
N21
|
2
|
4
|
4
|
2
|
2
|
3
|
17
|
4
|
40
|
16
|
80
|
16
|
80
|
4
|
40
|
4
|
40
|
9
|
60
|
289
|
22
|
N22
|
0
|
1
|
0
|
1
|
0
|
0
|
2
|
0
|
0
|
1
|
2
|
0
|
0
|
1
|
2
|
0
|
0
|
0
|
0
|
4
|
23
|
N23
|
1
|
4
|
1
|
1
|
1
|
0
|
8
|
1
|
9
|
16
|
36
|
1
|
9
|
1
|
9
|
1
|
9
|
0
|
0
|
64
|
24
|
N24
|
3
|
1
|
2
|
2
|
4
|
3
|
15
|
9
|
54
|
1
|
18
|
4
|
36
|
4
|
36
|
16
|
72
|
9
|
54
|
225
|
25
|
N25
|
0
|
4
|
1
|
2
|
0
|
0
|
7
|
0
|
0
|
16
|
36
|
1
|
9
|
4
|
18
|
0
|
0
|
0
|
0
|
49
|
26
|
N26
|
3
|
4
|
2
|
1
|
2
|
3
|
15
|
9
|
57
|
16
|
76
|
4
|
38
|
1
|
19
|
4
|
38
|
9
|
57
|
225
|
27
|
N27
|
1
|
1
|
1
|
3
|
4
|
3
|
13
|
1
|
16
|
1
|
16
|
1
|
16
|
9
|
48
|
16
|
64
|
9
|
48
|
169
|
28
|
N28
|
4
|
4
|
2
|
4
|
2
|
1
|
17
|
16
|
72
|
16
|
72
|
4
|
36
|
16
|
72
|
4
|
36
|
1
|
18
|
289
|
29
|
N29
|
3
|
4
|
2
|
4
|
2
|
3
|
18
|
9
|
57
|
16
|
76
|
4
|
38
|
16
|
76
|
4
|
38
|
9
|
57
|
324
|
30
|
N30
|
2
|
2
|
1
|
1
|
1
|
1
|
8
|
4
|
20
|
4
|
20
|
1
|
10
|
1
|
10
|
1
|
10
|
1
|
10
|
64
|
31
|
N31
|
1
|
1
|
2
|
1
|
1
|
3
|
9
|
1
|
11
|
1
|
11
|
4
|
22
|
1
|
11
|
1
|
11
|
9
|
33
|
81
|
32
|
N32
|
3
|
1
|
3
|
4
|
3
|
4
|
18
|
9
|
57
|
1
|
19
|
9
|
57
|
16
|
76
|
9
|
57
|
16
|
76
|
324
|
33
|
N33
|
2
|
4
|
4
|
4
|
3
|
2
|
19
|
4
|
42
|
16
|
84
|
16
|
84
|
16
|
84
|
9
|
63
|
4
|
42
|
361
|
34
|
N34
|
4
|
4
|
3
|
1
|
2
|
3
|
17
|
16
|
84
|
16
|
84
|
9
|
63
|
1
|
21
|
4
|
42
|
9
|
63
|
289
|
35
|
N35
|
4
|
4
|
3
|
4
|
3
|
1
|
19
|
16
|
80
|
16
|
80
|
9
|
60
|
16
|
80
|
9
|
60
|
1
|
20
|
361
|
36
|
N36
|
3
|
4
|
1
|
0
|
0
|
0
|
8
|
9
|
30
|
16
|
40
|
1
|
10
|
0
|
0
|
0
|
0
|
0
|
0
|
64
|
Jumlah
|
84
|
104
|
69
|
70
|
82
|
77
|
486
|
262
|
1339
|
358
|
1516
|
175
|
1048
|
196
|
1100
|
248
|
1286
|
235
|
1245
|
7534
|
PERHITUNGAN RELIABILITAS SOAL
diperoleh koefisien
reliabilitas sebesar 0,7587 dengan kategori tinggi
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