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Airline B s average rating for convenience was approximatel
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24 Jan 2017, 07:37
24 Jan 2017, 07:37
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Question Stats:
78% (01:00) correct
21% (01:10) wrong based on 131 sessions
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In a survey, 100 travel agents each ranked Airlines A, B, and C in order of preference. Each of the 100 travel agents also rated the three airlines in five categories on a scale of 1 through 10, with 10 being the best rating.
GRE - powerprep In a survey, 100 travel agents each ranked Airlines A, B, and C in order of preference..jpg [ 51.87 KiB | Viewed 36637 times ]
Airline B ‘s average rating for convenience was approximately what percent greater than Airline A ‘s average rating for convenience?
A) 30%
B) 36%
C) 40%
D) 57%
E) 64%
Attachment:
GRE - powerprep In a survey, 100 travel agents each ranked Airlines A, B, and C in order of preference..jpg [ 51.87 KiB | Viewed 36637 times ]
Airline B ‘s average rating for convenience was approximately what percent greater than Airline A ‘s average rating for convenience?
A) 30%
B) 36%
C) 40%
D) 57%
E) 64%
Re: Airline B s average rating for convenience was approximatel
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28 Jan 2017, 04:59
28 Jan 2017, 04:59
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Expert Reply
1
Bookmarks
Explanation
Find Airline B's rating for convenience (8.0) and Airline A's rating for convenience (5.1).
Determine the increase: 8.0 – 5.1 = 2.9
Now we find the percent change and round to the nearest whole number: Percent change = increase ÷ original number × 100 → 2.9 ÷ 5.1 × 100 = 56.86% or 57%.
Hence option D is correct.
Find Airline B's rating for convenience (8.0) and Airline A's rating for convenience (5.1).
| Category | A | B | C |
| Convenience | 5.1 | 8.0 | 4.3 |
| Friendliness | 5.0 | 5.5 | 5.4 |
| Price | 5.0 | 6.4 | 3.5 |
| Promptness | 6.5 | 6.9 | 4.1 |
| Reliability | 7.8 | 7.5 | 4.9 |
| Total: | 29.4 | 34.3 | 22.2 |
Determine the increase: 8.0 – 5.1 = 2.9
Now we find the percent change and round to the nearest whole number: Percent change = increase ÷ original number × 100 → 2.9 ÷ 5.1 × 100 = 56.86% or 57%.
Hence option D is correct.
General Discussion
Re: Airline B s average rating for convenience was approximatel
[#permalink]
01 Apr 2018, 22:44
01 Apr 2018, 22:44
WHy we determine Airline A as the original number?
