Comprehension
Five restaurants, coded R1, R2, R3, R4 and R5 gave integer ratings to five gig workers – Ullas, Vasu, Waman, Xavier and Yusuf, on a scale of 1 to 5. The means of the ratings given by R1, R2, R3, R4 and R5 were 3.4, 2.2, 3.8, 2.8 and 3.4 respectively.
The summary statistics of these ratings for the five workers is given below.
* Range of ratings is defined as the difference between the maximum and minimum ratings awarded to a worker.
The following is partial information about ratings of 1 and 5 awarded by the restaurants to the workers.
(a) R1 awarded a rating of 5 to Waman, as did R2 to Xavier, R3 to Waman and Xavier, and R5 to Vasu.
(b) R1 awarded a rating of 1 to Ullas, as did R2 to Waman and Yusuf, and R3 to Yusuf.
The summary statistics of these ratings for the five workers is given below.
| Ullas | Vasu | Waman | Xavier | Yusuf | |
|---|---|---|---|---|---|
| Mean rating | 2.2 | 3.8 | 3.4 | 3.6 | 2.6 |
| Median rating | 2 | 4 | 4 | 4 | 3 |
| Model rating | 2 | 4 | 5 | 5 | 1 and 4 |
| Range of rating | 3 | 3 | 4 | 4 | 3 |
The following is partial information about ratings of 1 and 5 awarded by the restaurants to the workers.
(a) R1 awarded a rating of 5 to Waman, as did R2 to Xavier, R3 to Waman and Xavier, and R5 to Vasu.
(b) R1 awarded a rating of 1 to Ullas, as did R2 to Waman and Yusuf, and R3 to Yusuf.
Question: 1
How many individual ratings cannot be determined from the above information?
How many individual ratings cannot be determined from the above information?
Updated On: Nov 25, 2025
Question: 2
To how many workers did R2 give a rating of 4?
To how many workers did R2 give a rating of 4?
Updated On: Nov 25, 2025
Question: 3
What rating did R1 give to Xavier?
What rating did R1 give to Xavier?
Updated On: Nov 25, 2025
Question: 4
What is the median of the ratings given by R3 to the five workers?
What is the median of the ratings given by R3 to the five workers?
Updated On: Nov 25, 2025
Question: 5
Which among the following restaurants gave its median rating to exactly one of the workers?
Which among the following restaurants gave its median rating to exactly one of the workers?
Show Hint
R2 median rating is 2 = given to 2 workers
R5 median rating is 4 = given to 2 workers
R4 median rating is 3 = given to only 1 worker.
R3 median rating is 4 = given to 2 workers
Updated On: Nov 25, 2025
- R3
- R5
- R4
- R2
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