
statistika regresi
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
Sheryl amalia
Used 12+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Apa yang dimaksud dengan regresi linear?
Hubungan linear antara dua variabel yang bersifat deterministik.
Model statistik yang digunakan untuk memprediksi nilai suatu variabel berdasarkan variabel lain.
Metode untuk mengukur kekuatan hubungan antara dua variabel.
Semua jawaban salah.
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Koefisien determinasi (R-squared) dalam regresi linear menunjukkan:
Proporsi varians variabel terikat yang dapat dijelaskan oleh variabel bebas.
Kemiringan garis regresi.
Nilai tengah dari variabel terikat.
Tingkat kesalahan dalam model regresi.
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Dalam regresi linear sederhana, variabel bebas disebut juga:
Variabel dependen
Variabel independen
Variabel prediktor
b dan c benar
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Uji t dalam regresi linear digunakan untuk:
Menguji signifikansi keseluruhan model regresi.
Menguji signifikansi masing-masing koefisien regresi.
Menguji kesamaan rata-rata dua kelompok.
Menguji adanya autokorelasi.
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Heteroskedastisitas dalam regresi linear menunjukkan:
Varians residual yang konstan.
Varians residual yang tidak konstan.
Korelasi yang tinggi antara variabel bebas.
Model regresi yang tidak linear.
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Tujuan utama analisis regresi adalah:
Mengukur kekuatan hubungan antara variabel.
Memprediksi nilai variabel dependen berdasarkan variabel independen.
Menguji hipotesis tentang parameter populasi.
Semua jawaban benar.
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Diberikan data:
X (tahun pengalaman kerja): 1, 2, 3, 4, 5
Y (gaji per bulan, juta rupiah): 4, 6, 8, 10, 12
Apa hubungan regresi linier antara X dan Y?
a. Y=X+3
b. Y=2X+2
c. Y=2X+4
d. Y=3X+1
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