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Day 19 - Confusion Matrix Quiz

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Question 1 of 4

In a binary classification problem, what does the False Positive (FP) represent in a confusion matrix?

A

Correctly predicted positive instances

B

Incorrectly predicted negative instances as positive

C

Incorrectly predicted positive instances as negative

D

Correctly predicted negative instances

Question 2 of 4

Which metric is calculated as (TP + TN) / (TP + TN + FP + FN)?

A

Precision

B

Recall

C

Accuracy

D

F1 Score

Question 3 of 4

If a model has high precision but low recall for the positive class, what does this indicate?

A

The model is correctly identifying most positive instances

B

The model is missing many positive instances but is reliable when it predicts positive

C

The model is predicting too many instances as positive

D

The model is equally balanced in its predictions

Question 4 of 4

What is the primary purpose of the F1 Score?

A

To provide a single metric that balances precision and recall

B

To measure the overall accuracy of the model

C

To determine the number of false positives

D

To calculate the percentage of correct negative predictions

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