
persamaan regresi
Authored by ASKY NURAINI
Mathematics
11th Grade
Used 75+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
Persamaan regresi linear untuk sekelompok data adalah y = 2,34x + 10. Jika x = 5 maka nilai y adalah …
11.7
21,7
27.7
117
217
2.
MULTIPLE CHOICE QUESTION
10 mins • 5 pts
Data berikut menunjukkan hubungan antara jam belajar (x) dan nilai ujian (y) untuk 5 orang siswa
Persamaan regresi linear yang paling sesuai untuk data tersebut adalah...
y= 65+ 5x
y=60+5x
y=55+5x
y=65+4x
y=60+4x
3.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Jika koefisien determinasi (r²) adalah 0,37, maka interpretasinya adalah...
Variabel independen menjelaskan 37% dari variansi dalam variabel dependen
Variabel independen menjelaskan 63% dari variansi dalam variabel dependen
Variabel independen tidak menjelaskan variansi dalam variabel dependen
Interpretasi tidak dapat ditentukan dari nilai koefisien determinasi saja
variabel independen tidak dapat djelaskan dari koefisien determinasi
4.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
Seorang petani menjual tomat dengan harga Rp. 3.000 per kilogram. Biaya tetap yang dikeluarkan petani adalah Rp. 10.000. Jika persamaan regresi linear yang menghubungkan pendapatan (Y) dan jumlah kilogram tomat yang dijual (X) adalah Y = 3.000X - 10.000, maka pendapatan petani jika ia menjual 10 kilogram tomat adalah:
Rp. 10.000
Rp. 15.000
Rp. 20.000
Rp. 25.000
Rp. 30.000
5.
MULTIPLE CHOICE QUESTION
5 mins • 3 pts
Sebuah perusahaan menghasilkan persamaan regresi linear y = 20x + 5.000 untuk memodelkan hubungan antara jumlah unit yang dijual (x) dan pendapatan penjualan (y) dalam ribuan rupiah. Jika perusahaan ingin mendapatkan pendapatan Rp 25.000.000, berapa unit yang harus dijual...
500
1000
1500
2000
2500
6.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Manakah nilai yang menggambarkan korelasi antara variabel bebas dan terikat yang memiliki hubungan positif dan lemah...
-0.91
-0,19
0
0,19
0,91
7.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
jika diketahui Σ x= 30, Σy= 30, Σx2=220, Σy2=220, Σxy= 140 dan n= 5,
maka nilai koefisien korelasinya adalah....
0.9
1
-1
-0,9
-0,3
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