Classification & Regression - 2

Classification & Regression - 2

Professional Development

40 Qs

quiz-placeholder

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Classification & Regression - 2

Classification & Regression - 2

Assessment

Quiz

Computers

Professional Development

Practice Problem

Medium

Created by

Lilesh Pathe

Used 1+ times

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40 questions

Show all answers

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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