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Statistics for Data Science I · Qualifier · 16 Mar 2025 · January 2025 term

Stats 1 Qualifier 16 Mar 2025 — Question 3

Question 3

+2 marksOne correct option

Choose the correct option:

  1. A

    If the large values of variable X tend to be associated with small values of variable Y, then the correlation between X and Y will be positive.

  2. B

    If the points are located densely in a scatter diagram, then we can always expect a poor correlation between the variables.

  3. C

    Correlation is a unitless measure of association.

  4. D

    Correlation always lie between 0 and 1.

Show answer

Correct answer

  • C

    Correlation is a unitless measure of association.

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Question 3 of 17 in the IIT Madras BS Statistics for Data Science I (Stats 1) Qualifier paper sat on 16 Mar 2025, in the January 2025 term (IIT M QUALIFIER AN EXAM QDQ1 16 Mar 2025). It carries 2 marks.

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