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Statistics for Data Science I · Quiz 1 · 26 Oct 2025 · September 2025 term

Question 11: There are 4 observations whose mean is 5 and population …

Question 11

+5 marksNumerical answer

There are 4 observations whose mean is 5 and population variance is 2.5. Two of the observations are known to be 4 and 6. Find the product of the remaining two observations.

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Correct answer: 21

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Question 11 of 15 in the IIT Madras BS Statistics for Data Science I (Stats 1) Quiz 1 paper sat on 26 Oct 2025, in the September 2025 term (IIT M FOUNDATION AN EXAM QDF2 26 Oct 2025). It carries 5 marks.

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