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Business Analytics · Quiz 1 · 23 Feb 2025 · January 2025 term

Question 17: What is the calculated value of chi-squared? (Note: give…

Question 17

+2 marksNumerical answer

(The following comprehension is purely imaginary)

You are given the following contingency table based on a sample data where different cities and their brand preferences are provided.

Brand ABrand BTotal
Chennai200145345
Mumbai600255855
Total8004001200

Then answer the given subquestions.

What is the calculated value of chi-squared? (Note: give only a numerical value rounded to 2 decimal places. For example, if your answer is 10.1253, then input the answer as “10.13”)

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Correct answer: 65.6 (accepted within ±0.2)

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Question 17 of 18 in the IIT Madras BS Business Analytics (Business Analytics) Quiz 1 paper sat on 23 Feb 2025, in the January 2025 term (IIT M DIPLOMA AN EXAM QDD2 23 Feb 2025). It carries 2 marks.

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