Classification & Regression - 2
Quiz
•
Computers
•
Professional Development
•
Practice Problem
•
Medium
Lilesh Pathe
Used 1+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which metric is most important for spam filtering?
Precision
Recall
RMSE
Accuracy
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which metric is most important for disease screening?
Accuracy
Recall
Precision
Specificity
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In model evaluation, when both false positives and false negatives are equally costly, the best metric is:
Accuracy
Precision
Recall
F1-score
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
F1-score is low if:
Both precision and recall are high
Either precision or recall is very low
Accuracy is perfect
Dataset is balanced
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In cases where precision = 1 and recall = 0, the F1-score is:
1
0
0.5
Undefined
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
F1-score is a type of:
Arithmetic mean
Geometric mean
Harmonic mean
Weighted average
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Recall is also known as:
Sensitivity
Specificity
Precision
Accuracy
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