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Business Analytics · Quiz 1 · 25 Feb 2024 · January 2024 term

Question 14: You are given the following contingency table (Table-1) …

Question 14

+1 markNumerical answer

You are given the following contingency table (Table-1) based on sample data where different cities and their brand preferences are provided. You perform a chi-squared test of independence to make inferences about the population from this sample.

Based on the above data, answer the given subquestions.

From the given contingency table, find the expected frequency of Chennai people preferring brand B?
(Note: Enter the answer rounded to two decimal places. For example, if the answer is “1.234”, then enter it as “1.23”. DO NOT ENTER PERCENTAGE VALUES)

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Correct answer: 159.5 (accepted within ±0.5)

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Question 14 of 20 in the IIT Madras BS Business Analytics (Business Analytics) Quiz 1 paper sat on 25 Feb 2024, in the January 2024 term (IIT M DIPLOMA AN2 EXAM QDD2 25 Feb 2024). It carries 1 mark.

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