ISYE 6501 Midterm 1 Exam | Full Questions and Answers | 2026 Update | 100% Correct – GT.
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, ISYE 6501 Midterm 1 Practice Exam (100 Questions)
Question 1
What is the main goal of cross-validation?
A) To train the model on all data
B) To estimate how well the model will generalize to new data
C) To increase training time
D) To reduce the number of features
Correct ,,answer,,,: B
Question 2
Which method is supervised learning?
A) k-means clustering
B) Hierarchical clustering
C) Linear regression
D) PCA
Correct ,,answer,,,: C
Question 3
In k-fold cross-validation, k=10 means:
A) Train on 90%, validate on 10%, repeat 10 times
B) Train on 10%, validate on 90%, repeat 10 times
C) Train on 50%, validate on 50% once
D) Train on 100% of data
,
,
, ISYE 6501 Midterm 1 Practice Exam (100 Questions)
Question 1
What is the main goal of cross-validation?
A) To train the model on all data
B) To estimate how well the model will generalize to new data
C) To increase training time
D) To reduce the number of features
Correct ,,answer,,,: B
Question 2
Which method is supervised learning?
A) k-means clustering
B) Hierarchical clustering
C) Linear regression
D) PCA
Correct ,,answer,,,: C
Question 3
In k-fold cross-validation, k=10 means:
A) Train on 90%, validate on 10%, repeat 10 times
B) Train on 10%, validate on 90%, repeat 10 times
C) Train on 50%, validate on 50% once
D) Train on 100% of data
