
Quiz Modul 2 Shift 2 Prakstat
Quiz
•
Engineering
•
University
•
Practice Problem
•
Hard
Timotius Yonatan
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Multiple Regression Analysis (MRA) digunakan ketika…
Hubungan antara satu variabel independen dengan satu variabel dependen ingin diketahui
Ada lebih dari satu variabel independen yang diduga memengaruhi variabel dependen
Semua variabel bersifat kategorikal
Hubungan antar variabel tidak linear
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Tujuan utama dari MRA adalah…
Menentukan rata-rata residual
Mengukur pengaruh simultan beberapa variabel independen terhadap variabel dependen
Membentuk model non-linear untuk data diskrit
Menguji normalitas populasi
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Variabel dependen pada MRA disebut juga sebagai…
Variabel prediktor
Variabel respon
Variabel bebas
Variabel acak
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Salah satu syarat utama sebelum melakukan MRA adalah…
Variabel harus berskala nominal
Data tidak perlu diuji linearitas
Variabel independen harus berbentuk metrik (numerik)
Variabel dependen harus kategorikal
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Langkah awal dalam MRA setelah menentukan variabel dependen dan independen adalah…
Melakukan uji VIF
Melakukan pengolahan data dan visualisasi awal
Menghapus variabel acak
Menentukan nilai p-value
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
R-squared (R²) digunakan untuk mengetahui…
Seberapa besar variabel independen memengaruhi variabel dependen secara parsial
Proporsi variasi pada Y yang dijelaskan oleh seluruh X dalam model
Besarnya error dalam model regresi
Normalitas data
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Mean of residuals yang mendekati nol menandakan bahwa…
Model bias dalam memprediksi data
Model tidak bias dalam memprediksi data
Model memiliki heteroskedastisitas
Residual tidak berdistribusi normal
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