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Tools in Data Science · End Term · 21 Dec 2025 · September 2025 term

Question 21: Scenario 1: Restaurant Review Data Analysis\ Context\ A …

Question 21

+1 markOne correct option

Scenario 1: Restaurant Review Data Analysis
Context
A food delivery platform wants to analyze restaurant reviews to identify trending cuisines and customer satisfaction patterns. They have review data in CSV format with ratings, text comments, and timestamps.
Sample Data (restaurants.csv):

Based on the above data, answer the given subquestions.

To find the average rating for each cuisine type (Indian, Italian, Japanese), which pandas operation is most appropriate?

  1. A

    df.sort_values('cuisine')

  2. B

    df.groupby('cuisine')['rating'].mean()

  3. C

    df.filter('cuisine')

  4. D

    df.merge('cuisine', 'rating')

Show answer

Correct answer

  • B

    df.groupby('cuisine')['rating'].mean()

See the whole paperTake it as a mock test

Question 21 of 36 in the IIT Madras BS Tools in Data Science (Tools in Data Science (TDS)) End Term paper sat on 21 Dec 2025, in the September 2025 term (Tools In Data Science 18 Dec 25). It carries 1 mark.

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