## NPTEL Learning Analytics Tools Week 6 Assignment Answers 2024

1. The s-support definition given in the video is : The number of individual action sequences for a group where that sequence of actions occurs at least once. What is the simplistic meaning of this definition.

- What are the most frequent actions
- Count of students who perform that action
- Total count on how many times that action is performed
- Average count of a particular action performed

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2. The i-support definition given in the video is : The number of individual action sequences for a group where that sequence of actions occurs at least once. What is the simplistic meaning of this definition.

- How many times does the pattern occur for every individual student
- How may times does the pattern occur by all students
- How many times does the pattern occurs by at least one student
- How many times does the pattern occur on average

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3. What is the meaning of i-frequency for a particular action?

- The average count of how many times that action was performed
- Total count of actions performed
- Total number of students who performed that action
- Maximum number of students who performed that action together

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4. Consider the following values for a pattern: I-freq mean=6, I-freq Std=7.5, S-support=0.6 and N=10, than how many students have performed that action?

- 4
- 5
- 6
- 7

Answer :-

5. What can be the effective use of node cutoff and edge cutoff?

- It helps to filter very less frequent actions
- It helps to filter very less frequent students
- It helps to filter very frequent actions
- It helps to filter very frequent students

Answer :-

6. From the given options which set of operations is not possible with SPM?

- Understanding which set of actions is performed
- Comparing actions of high-performing and low-performing groups
- Understanding which set of actions is not performed by students
- Understanding how many students have not performed a certain action

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7. Consider the following actions: ABBAABBBABBA. What is the significance of action A?

- 0.81
- 0.91
- 0.71
- 0.61

Answer :-

8. Consider the following actions: ABBAABBBABBA. Find the correlation of the sequence of action A->B?

- 0.75
- 0.85
- 0.65
- 0.78

Answer :-

9. A high correlation value indicates that *_________________*

- Two nodes are more likely to occur together
- Two nodes are less likely to occur together
- Two nodes will always occur together
- Two nodes are unrelated

Answer :-

10. Select the correct statement for calculating utility value of an edge.

- ur×sig of edge+(1−ur)×corr value of edge
- ur×corr value of edge+(1−ur)×sig of edge
- ur+sig of edge×(1−ur)+corr value of edge
- ur×(sig of edge+corr value of edge)

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