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Statistics for Data Science I · Quiz 1 · 15 Mar 2026 · January 2026 term

Question 13: The baking time (in minutes) and the corresponding textu…

Question 13

+4 marksOne or more correct options

The baking time (in minutes) and the corresponding texture rating (on a scale of 1–10) for four baked items are shown in Table 5.

Let represent the correlation coefficient between baking time and texture rating. Which of the following statement (s) is/are true?

The baking time (in minutes) and the corresponding texture rating (on a scale of 1–10) for four baked items are shown in

Select all that apply.

  1. A

    The approximate value of is 0.30 and indicates a weak positive correlation.

  2. B

    The approximate value of is 0.99 and indicates a strong positive correlation.

  3. C

    The relationship between baking time and texture rating shows a negative correlation, suggesting that longer baking times result in lower texture ratings.

  4. D

    The positive value of indicates that as baking time increases, the texture rating tends to increase.

Show answer

Correct answers

  • B

    The approximate value of is 0.99 and indicates a strong positive correlation.

  • D

    The positive value of indicates that as baking time increases, the texture rating tends to increase.

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Question 13 of 18 in the IIT Madras BS Statistics for Data Science I (Stats 1) Quiz 1 paper sat on 15 Mar 2026, in the January 2026 term (Statistics1 15 Mar 26). It carries 4 marks.

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