Learning Analytics Tools Nptel Week 2 Answers
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Learning Analytics Tools Nptel Week 2 Answers (July-Dec 2025)
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Q1. Which of the following data is most useful for understanding a learner’s page view behavior on an educational platform?
a) Learner’s profile picture and preferred language
b) Course completion certificate and final grade
c) Feedback rating and discussion forum activity
d) Time stamp information and page URL
Q2. What is the major focus of a Technology-Enhanced Learning (TEL) environment?
a) Log data
b) Sensory data
c) Survey data
d) Course title and duration
Q3. Which of the following should be included in a consent form for Learning Analytics (LA) research? (Select all that apply)
a) Introduction and Project Description – Who you are, purpose of the study, and study design
b) Participation and Risks Involved – Selection criteria and possible risks to participants
c) Data Confidentiality and Contact Information – How data will be stored, who can access it, and how to reach the research team
d) Payment methods and discount offers for participants
Q4. Which of the following is not a recognized type of outlier?
a) Global (or Point) Outlier
b) Collective Outlier
c) Contextual (or Conditional) Outlier
d) Statistical Outlier
Q5. You are building a machine learning model to predict customer churn. The dataset contains a column Subscription_Type with values: [‘Free’, ‘Basic’, ‘Premium’]. You decide to use One-Hot Encoding on this column. After applying One-Hot Encoding, which of the following correctly represents the transformed row for a customer with Subscription_Type = ‘Basic’?
a) [1, 0, 0] labeled as [‘Free’, ‘Basic’, ‘Premium’]
b) [0, 1, 0] labeled as [‘Free’, ‘Basic’, ‘Premium’]
c) [0, 0, 1] labeled as [‘Basic’, ‘Premium’, ‘Free’]
d) [‘Basic’] — because text data doesn’t need encoding
Q6. Which of the following is not a commonly used method for imputing missing values in a dataset?
a) Replace with the next value
b) Replacing with Mean
c) Replacing with Mode
d) Replacing with Median Frequency
Q7. From the given datasets find out which one contains an outlier? (You can use box-plot to do this).
a) Data = [0,1,2,3,4,5,5]
b) Data = [0,1,2,3,6,6,6]
c) Data = [0,1,2,3,4,5,10]
d) Data = [1, 2, 3, 4, 5, 6, 7]
Q8. Which of the following correctly matches the technique with the value used for imputing missing data in time series?
a) Forward Fill – Uses next value, Backward Fill – Uses previous value
b) Forward Fill – Uses mean value, Backward Fill – Uses mode value
c) Forward Fill – Uses previous value, Backward Fill – Uses next value
d) Forward Fill – Uses zero, Backward Fill – Uses most frequent value
Q9. Arrange the following sentences in the correct order of sequence:
i. Analyze data
ii. Pre-process data
iii. Collect data
iv. Get approval from the Ethics Committee to conduct research and collect data
v. Get participants’ consent
a) iv, v, iii, ii, i
b) v, iv, iii, ii, i
c) iv, iii, v, ii, i
d) iii, iv, v, ii, i
Q10. Choose the correct option about the type of outlier matching to it image.
a) A-1, B-2, C-3
b) A-3, B-2, C-3
c) A-3, B-1, C-2
d) A-1, B-3, C-2
These are Learning Analytics Tools Nptel Week 2 Answers