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Statistics for Data Science I · Quiz 2 · 3 Aug 2025 · May 2025 term

Question 5: A company has 15 offices and wants to set up two-way comm…

Question 5

+2 marksNumerical answer

A company has 15 offices and wants to set up two-way communication between every pair of offices. However, the 3 smallest offices will not have direct communication with one another, though each of them can still connect directly with the remaining offices. How many
communication channels are needed in total?

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Correct answer: 102

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Question 5 of 15 in the IIT Madras BS Statistics for Data Science I (Stats 1) Quiz 2 paper sat on 3 Aug 2025, in the May 2025 term (IIT M DIPLOMA AN EXAM QDD2 03 Aug 2025). It carries 2 marks.

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