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Statistics for Data Science II · End Term · 13 Sept 2026 · May 2026 term · Set S2

Question 4: The standard deviation of weights of 70 gram bags of whit…

Question 4

+3 marksOne correct option

The standard deviation of weights of 70 gram bags of white cheddar popcorn is expected to be 2.5 grams. A random sample of 20 packages showed a standard deviation of 3 grams. Is the apparent increase in variability significant at the 0.05 level?

  1. A

    Yes

  2. B

    No

Show answer

Correct answer

  • B

    No

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Question 4 of 20 in the IIT Madras BS Statistics for Data Science II (Stats 2) End Term paper sat on 13 Sept 2026, in the May 2026 term (Statistics2 13 Sep 26 (Session 2)). It carries 3 marks.

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