Learning Analytics Tools Nptel Week 3 Answers
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Learning Analytics Tools Nptel Week 3 Answers (July-Dec 2025)
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Question 1. Based on the given diagram showing the relationship among Artificial Intelligence, Machine Learning, and Deep Learning, which of the following statements are correct? (Select all that apply)
a) Deep Learning is a subset of Machine Learning.
b) Machine Learning is a subset of Artificial Intelligence.
c) Artificial Intelligence is a subset of Deep Learning.
d) Deep Learning is also a subset of Artificial Intelligence.
Question 2. Which of the following is not a typical use of Machine Learning in Learning Analytics (LA)?
a) To model learners’ interaction behaviour
b) To predict learners’ academic outcomes
c) To recommend personalized learning resources
d) To evaluate teachers’ salaries based on student feedback
Question 3. Which of the following best distinguishes supervised learning from unsupervised learning?
a) Supervised learning uses labelled data, while unsupervised learning uses unlabeled data.
b) Supervised learning finds hidden patterns in data without any guidance.
c) Supervised learning does not require a target variable, while unsupervised learning does.
d) Supervised learning is only used for image classification, while unsupervised learning is used for all other tasks.
Question 4. For the below confusion matrix, the Accuracy value is ______
a) 57%
b) 20%
c) 60%
d) 30%
Question 5. In a 4-fold cross-validation where the dataset is split into 4 equal parts (each 25% of the data), which of the following statements is correct?
a) Each fold uses the same test set for all iterations to ensure consistency.
b) In every fold, one distinct set is used as the test set and the remaining three sets are used for training.
c) Each iteration trains on 25% of the data and tests on 75%.
d) The same set of data is used for both training and testing in every fold.
Question 6. In a classification task, the following outcomes are observed:
For ID 1, Yi is 1 and YPredicted is 1.
For ID 2, Yi is 1 and YPredicted is 0.
For ID 3, Yi is 0 and YPredicted is 1.
For ID 4, Yi is 1 and YPredicted is 0.
For ID 5, Yi is 0 and YPredicted is 0.
For ID 6, Yi is 1 and YPredicted is 1.
What is the value of precision in this case?
a) 0.40
b) 0.67
c) 0.50
d) 0.75
Question 7. A medical image classification model is tested by two radiologists independently classifying images as either positive (disease) or negative (no disease). The following confusion matrix summarizes their agreement. What is the kappa agreement score?
a) 0.60
b) 0.70
c) 0.75
d) 0.85
These are Learning Analytics Tools Nptel Week 3 Answers
Question 8. A binary classification model was evaluated on a test set of six samples. The performance of the model is summarized in the following confusion matrix: Using this information, what is the value of the F1-score?
a) 0.67
b) 0.60
c) 0.50
d) 0.72
These are Learning Analytics Tools Nptel Week 3 Answers