ABCDEFGHIJKLMNOPQRSTUVWXYZ
1
Seorang peneliti ingin menguji hubungan antara jumlah jam belajar (variabel x)
2
dan nilai ujian (variabel y) pada sekelompok siswa. Peneliti mengumpulkan data
3
jumlah jam belajar dan nilai ujian siswa-siswa tersebut. Dalam sampel yang diperoleh
4
terdapat 40 siswa.
5
6
7
Siswa
Jam Belajar (x)
Nilai Ujian (y)
X2Y2XYn∑XY978640
8
A10851007.225850∑X∑Y989115-10475
9
B879646.241632
[n(∑X2) - (∑X)2]
2775-599.091.975
10
C982816.724738
[n(∑Y2) - (∑Y)2]
-215889
11
D570254.900350
12
E776495.776532
13
F678366.084468
14
G780496.400560
15
H983816.889747
16
I882646.724656
17
J675365.625450
18
K10871007.569870
19
L984817.056756
20
M468164.624272
21
N779496.241553
22
O572255.184360
23
P675365.625450
24
Q880646.400640
25
R981816.561729
26
S10881007.744880
27
T776495.776532
28
U674365.476444
29
V573255.329365
30
W982816.724738
31
X880646.400640
32
Y10861007.396860
33
Z779496.241553
34
AA677365.929462
35
BB471165.041284
36
CC981816.561729
37
DD881646.561648
38
EE675365.625450
39
FF778496.084546
40
GG985817.225765
41
HH10871007.569870
42
II574255.476370
43
JJ677365.929462
44
KK879646.241632
45
LL775495.625525
46
MM984817.056756
47
NN677365.929462
48
OO10881007.744880
49
Jumlah30532432395257.52924466
50
51
52
rxy =0,9535602188alfa =0,05
53
0,95
54
55
t hitung = 19,51557893atas5,878139966
56
bawah 0,3012024387
57
t tabel =1,68595446
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100