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Statistics for Data Science I · Qualifier · 13 Apr 2025 · January 2025 term

Question 1: An inspection officer wants to test the tensile strength …

Question 1

+2 marksOne correct option

An inspection officer wants to test the tensile strength of threaded rods produced by a factory. If he selects 40 threaded rods at random from those that produced in the month of August 2022 at the factory. Identify the sample and population.

  1. A

    The population is all threaded rods ever produced at the factory and the sample is all the threaded rods produced in the month of August 2022.

  2. B

    The population is all threaded rods ever produced at the factory, and the sample is the 40 selected threaded rods.

  3. C

    The population is all threaded rods produced in the year 2022 and the sample is the threaded rods produced in the month of August 2022.

  4. D

    None of these.

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Correct answer

  • B

    The population is all threaded rods ever produced at the factory, and the sample is the 40 selected threaded rods.

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Question 1 of 14 in the IIT Madras BS Statistics for Data Science I (Stats 1) Qualifier paper sat on 13 Apr 2025, in the January 2025 term (IIT M DS REATTEMPT AN EXAM QDQ1 13 Apr 2025). It carries 2 marks.

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