BTechibtechi.in
Loading Loading
Free IIT Madras BS notes, PYQs and mock tests at btechi.in

i-NLP · Model interpretability

4 questions · 18 marks · 1 paper

Answer key

Indian Institute of Technology Madras

BS Degree Programme · Examination & Study Paper

Introduction to Natural Language Processing

Model interpretability

Official Paper

Examination Instructions & Guidelines

Solve on notebook/paper first before checking solutions.
MCQ: Exactly 1 option is correct. Negative marking applies.
NAT: Numerical response. No negative marking.
Scientific calculator allowed for all calculations.
Official answer key is sealed at the end of this sheet.

Q1MCQ3 Marks·Choose one option
Key ↓
Which of the following statements about Attention Flow in Transformer models is TRUE?
1. AAttention flow computes the contribution of each token independently without considering other tokens.
2. BAttention flow assigns higher scores to tokens that appear earlier in the sequence by default.
3. CAttention flow combines attention scores across multiple layers to determine overall token influence.
4. DAttention flow values are always normalized across all tokens in the sequence to sum to 1.
Q2MCQ5 Marks·Choose one option
Key ↓
Consider the following attention matrices for two layers (corresponding to tokens 1 and 2) in a transformer model: Layer 1 Attention Matrix: Layer 2 Attention Matrix: What is the total attention from token 2 to token 1 after performing attention rollout?
1. A0.57
2. B0.33
3. C0.39
4. D0.26
Q3NAT4 Marks·Write the number
Key ↓
Consider the following regression model: F(x) = 500 * Age + 1000 * Income + 20000 For an input with: Age = 30 Income = 50 Baseline Input: Age = 0 Income = 0 What is the Integrated Gradient for the feature Income?
Your answer:
Q4NAT6 Marks·Write the number
Key ↓
Your answer:

Official Key

Master Answer Key & Explanations

Official answer keys from IIT Madras BS past papers. Click any question to review.

Reveal Key

Q1C

Q2D

Q350000

Q4162 to 163

Questions and answer keys are reproduced from the official IIT Madras BS papers. Topics and repeated question types are BTechi’s own grouping. BTechi is not affiliated with IIT Madras.