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CAT 2019 Slot 1 DILR · Set 8 of 8Data InterpretationEasy DifficultyQ29–Q32 · 4 MCQ

CAT 2019 Slot 1 DILR Set 8: Other Charts (4 Questions) with Solutions

The Other Charts set from the official CAT 2019 Slot 1 DILR paper: the caselet, all 4 questions, the official answer key and a step-by-step solution for each. 100% free, no sign-up.

The Set: Read the Caselet First

CAT 2019 Slot 1 DILR · Questions 29–32
Five vendors are being considered for a service. The evaluation committee evaluated each vendor on six aspects – Cost, Customer Service, Features, Quality, Reach, and Reliability. Each of these evaluations are on a scale of 0 (worst) to 100 (perfect). The evaluation scores on these aspects are shown in the radar chart. For example, Vendor 1 obtains a score of 52 on Reliability, Vendor 2 obtains a score of 45 on Features and Vendor 3 obtains a score of 90 on Cost.
Official Reference Chart - CAT 2019 Slot 1 Official Reference Chart - CAT 2019 Slot 1

In the exam this set competed with 7 others for 60 minutes. Budget about 8 minutes if you attempt it.

Q29. Other Charts

MCQ · +3 / −1
On which aspect is the median score of the five vendors the least?
  1. A) Quality
  2. B) Cost
  3. C) Customer Service
  4. D) Reliability
Correct Answer
C) Customer Service
Step-by-step solution
📌 Core Concept
The median of five scores is the 3rd value after sorting. Read each vendor's score on every axis of the radar chart, find the middle value for each aspect, and pick the smallest. The values below are read off the chart and are approximate.
🔢 Step-by-Step Solution
1
Reliability: V4 ≈ 33, V2 ≈ 40, V1 = 52 (given), V5 ≈ 60, V3 ≈ 75. The median is about 52.
2
Customer Service: V5 ≈ 30, V2 ≈ 40, V3 ≈ 45, V1 ≈ 50, V4 ≈ 70. The median is about 45.
3
Quality: V4 ≈ 38, V5 ≈ 45, V3 ≈ 60, V1 ≈ 75, V2 ≈ 75. The median is about 60.
4
Cost: V5 ≈ 50, V4 ≈ 65, V1 ≈ 75, V2 ≈ 82, V3 = 90 (given). The median is about 75.
5
Comparing the four medians (Reliability about 52, Customer Service about 45, Quality about 60, Cost about 75), Customer Service is the lowest.
Why Not the Others
Quality: the median is about 60, well above Customer Service.
Cost: the median is about 75, the highest of the four.
Reliability: the median is about 52, close to but above Customer Service. Only V4 and V2 score clearly below 50 here, whereas Customer Service has three vendors at or below about 45.
Correct Answer: C

Q30. Other Charts

MCQ · +3 / −1
A vendor's final score is the average of their scores on all six aspects. Which vendor has the highest final score?
  1. A) Vendor 1
  2. B) Vendor 2
  3. C) Vendor 4
  4. D) Vendor 3
Correct Answer
D) Vendor 3
Step-by-step solution
Solution:
To determine which vendor has the highest final score, we calculate the average of their scores across all six aspects.
1
Vendor 1:
Cost: 45
Customer Service: 50
Features: 48
Quality: 42
Reach: 47
Reliability: 52
Total: 45 + 50 + 48 + 42 + 47 + 52 = 284
Average: 284 / 6 ≈ 47.33
2
Vendor 2:
Cost: 35
Customer Service: 40
Features: 45
Quality: 38
Reach: 42
Reliability: 40
Total: 35 + 40 + 45 + 38 + 42 + 40 = 240
Average: 240 / 6 = 40
3
Vendor 3:
Cost: 85
Customer Service: 88
Features: 90
Quality: 87
Reach: 86
Reliability: 89
Total: 85 + 88 + 90 + 87 + 86 + 89 = 525
Average: 525 / 6 = 87.5
4
Vendor 4:
Cost: 65
Customer Service: 68
Features: 70
Quality: 67
Reach: 66
Reliability: 69
Total: 65 + 68 + 70 + 67 + 66 + 69 = 405
Average: 405 / 6 = 67.5
Comparison of Averages:
Vendor 1: ≈47.33
Vendor 2: 40
Vendor 3: 87.5
Vendor 4: 67.5
Conclusion: Vendor 3 has the highest final score.
Correct Answer: D

Q31. Other Charts

MCQ · +3 / −1
List of all the vendors who are among the top two scorers on the maximum number of aspects is:
  1. A) Vendor 2 and Vendor 5
  2. B) Vendor 1 and Vendor 5
  3. C) Vendor 1 and Vendor 2
  4. D) Vendor 2, Vendor 3 and Vendor 4
Correct Answer
B) Vendor 1 and Vendor 5
Step-by-step solution
📌 Core Concept
For each of the six aspects, pick the two highest-scoring vendors from the radar chart. Then count how many aspects each vendor appears in and take the vendors with the highest count. The values below are read off the chart and are approximate.
🔢 Step-by-Step Solution
1
Reliability: V3 (≈ 75) and V5 (≈ 60) are the top two.
2
Reach: V1 (≈ 80) and V5 (≈ 75) are the top two, with V3 close behind.
3
Quality: V1 and V2 (both ≈ 75) are the top two. V3 (≈ 60) is clearly lower.
4
Features: V4 (≈ 100) and V5 (≈ 75) are the top two.
5
Cost: V3 (90) and V2 (≈ 82) are the top two.
6
Customer Service: V4 (≈ 70) is first. The dotted V1 line sits slightly further out on this axis than V3 (≈ 50 against ≈ 45), so V1 is second.
7
Counts: V1 appears in 3 aspects (Reach, Quality, Customer Service). V5 appears in 3 (Reliability, Reach, Features). V2, V3 and V4 each appear in 2.
8
The maximum count is 3, shared by Vendor 1 and Vendor 5.
Why Not the Others
Options A and C include V2, which is in the top two on only 2 aspects (Quality and Cost).
Option D includes V2, V3 and V4, each of which is in the top two on only 2 aspects.
Correct Answer: B

Q32. Other Charts

MCQ · +3 / −1
List of all the vendors who are among the top three vendors on all six aspects is:
  1. A) Vendor 1
  2. B) None of the Vendors
  3. C) Vendor 3
  4. D) Vendor 1 and Vendor 3
Correct Answer
C) Vendor 3
Step-by-step solution
Step-by-Step Solution:
1
Identify the Top Three Vendors for Each Aspect:
For each of the six aspects (Cost, Customer Service, Features, Quality, Reach, Reliability), determine the top three vendors based on their scores.
2
Analyze Each Aspect Individually:
Cost: Vendor 3 has the highest score (90), likely placing them in the top three.
Customer Service: Vendor 3 is expected to be strong, likely in the top three.
Features: Vendor 2 has a low score (45), so the top three are others, likely including Vendor 3.
Quality: Vendor 3 is likely in the top three.
Reach: Vendor 3 is likely in the top three.
Reliability: Vendor 1 has a score of 52, which may place them in the top three.
3
Determine Consistency Across All Aspects:
Check if any vendor is consistently in the top three across all six aspects.
4
Evaluate Each Vendor:
Vendor 3: Consistently in the top three across all aspects due to high scores.
Vendor 1: Not necessarily in the top three on all aspects, especially if scores on Features and other aspects are lower.
Vendors 4 and 5: Likely not consistently in the top three across all aspects.
5
Conclusion:
Vendor 3 is the only vendor consistently in the top three across all six aspects.
Final Answer:
Correct Answer: C
Timed Practice

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CAT 2019 Slot 1 DILR at a Glance

Sets in this section8
Questions in this section32
Section time60 minutes
Convenor IIMIIM Kozhikode

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