MATERI KORELASIONAL - Ria Febriana
MATERI KORELASIONAL - Ria Febriana
MATERI KORELASIONAL - Ria Febriana
Nim : 23690108061
No X Y X2 Y2 XY X2Y2
1 88 36 7.744 1.296 3.168 10.036.224
2 65 28 4.225 784 1.820 3.312.400
3 60 27 3.600 729 1.620 2.624.400
4 72 31 5.184 961 2.232 4.981.824
5 60 27 3.600 729 1.620 2.624.400
6 50 29 2.500 841 1.450 2.102.500
7 45 23 2.025 529 1.035 1.071.225
8 48 25 2.304 625 1.200 1.440.000
9 70 23 4.900 529 1.610 2.592.100
10 81 29 6.561 841 2.349 5.517.801
11 64 35 4.096 1.225 2.240 5.017.600
12 78 35 6.084 1.225 2.730 7.452.900
13 49 25 2.401 625 1.225 1.500.625
14 67 29 4.489 841 1.943 3.775.249
15 90 32 8.100 1.024 2.880 8.294.400
16 62 27 3.844 729 1.674 2.802.276
17 50 25 2.500 625 1.250 1.562.500
18 84 37 7.056 1.369 3.108 9.659.664
19 80 24 6.400 576 1.920 3.686.400
20 52 28 2.704 784 1.456 2.119.936
21 42 23 1.764 529 966 933.156
22 30 20 900 400 600 360.000
23 32 24 1.024 576 768 589.824
24 47 24 2.209 576 1.128 1.272.384
25 32 21 1.024 441 672 451.584
26 62 26 3.844 676 1.612 2.598.544
∑X = 1.560 ∑Y = 713 ∑X2 = 101.082 ∑Y2 = 20.085 ∑XY= 44.276 ∑X2Y2 = 88.379.916
Pertanyaan :
a. Tentukan rata-rata Pada tabel X2, Y2, XY,
b. Tentukan
∑X, ∑Y, ∑X2, ∑Y2, ∑xy, dan ∑X2 Y2
c. Hitunglah korelasinya product Moment dengan rumus dibawah ini
− (∑X) (∑Y)
rxy = √{N (∑X2)N.− ∑XY
(∑X)2 .N (∑Y2) − (∑Y)²}
Diketahui N = 26
Jawaban :
a. Rata-rata
∑ 𝑋2 101.082
• Mx = = = 3.887,769
𝑁 26
∑ 𝑌2 20.085
• Mx = = = 772,5
𝑁 26
∑ 𝑋𝑌 44.276
• Mx = = = 1.702,923
𝑁 26
b. Tentukan :
• ∑X = 1.560
• ∑Y = 713
• ∑X2 = 101.082
• ∑Y2 = 20.085
• ∑XY = 44.276
• ∑X2 Y2 = 88.379.916
Diketahui N = 26