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09 Jun 2026, 12:39
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The scores on Exam 1, Exam 2, and the final exam were weighted equally in computing the final score.: No
The median final score for online students was 82.75.: Yes
The range of year 1 students’ scores on Exam 1 was greater than the range of year 1 students’ scores on the final exam.: Yes
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
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During a recent semester at University X, 25 students enrolled in an economics class. Each student was enrolled in the university’s 4-year business program and took the course either as a traditional student (attending class and sitting for exams in person) or as an online student (listening to lectures and taking exams via computer), but not both. For each student, the table indicates whether he or she took the course online, along with his or her year in the program and scores on Exam 1, Exam 2, and the final exam. The final score was computed as a weighted mean of the scores on Exam 1, Exam 2, and the final exam, using the same weights for each student.
For each of the following statements, select Yes if the statement is true based on the information provided; otherwise, select No.
| Student surname | Online student? (Y/N) | Year in program | Exam 1 score | Exam 2 score | Final exam score | Final score |
|---|---|---|---|---|---|---|
| Abusuba | Y | 2 | 89 | 87 | 85 | 86.5 |
| Ardanin | N | 1 | 85 | 83 | 84 | 84 |
| Bar-Yaacov | Y | 1 | 65 | 70 | 68 | 67.75 |
| Benson | Y | 1 | 77 | 80 | 75 | 76.75 |
| Dedeoglu | N | 2 | 90 | 96 | 95 | 94 |
| Derezinski | Y | 3 | 85 | 84 | 81 | 83.25 |
| Garcia | Y | 2 | 90 | 87 | 86 | 87.25 |
| Hernandez | N | 2 | 72 | 74 | 75 | 74 |
| Jeyaretnam | Y | 2 | 77 | 76 | 78 | 77.25 |
| Lindt | Y | 3 | 87 | 81 | 81 | 82.75 |
| Mladek | N | 4 | 64 | 75 | 76 | 72.75 |
| Nguyen | N | 3 | 70 | 74 | 72 | 72 |
| Orlando | N | 2 | 81 | 84 | 80 | 81.5 |
| Pai | N | 2 | 75 | 78 | 72 | 74.25 |
| Parasarathy | N | 2 | 88 | 91 | 95 | 92.25 |
| Radzinsky | Y | 3 | 91 | 95 | 100 | 96.5 |
| Russell | N | 4 | 51 | 69 | 72 | 66 |
| Sweets | N | 2 | 66 | 76 | 74 | 72.5 |
| Sykes | N | 3 | 51 | 69 | 73 | 66.5 |
| Tachau | N | 2 | 91 | 93 | 92 | 92 |
| Tsosie | N | 2 | 84 | 87 | 85 | 85.25 |
| Underhill | N | 1 | 77 | 75 | 71 | 73.5 |
| Vladimirov | Y | 3 | 69 | 75 | 74 | 73 |
| Washburn | N | 2 | 85 | 83 | 82 | 83 |
| Zervos | N | 2 | 95 | 97 | 98 | 97 |
For each of the following statements, select Yes if the statement is true based on the information provided; otherwise, select No.
| Yes | No | |
| The scores on Exam 1, Exam 2, and the final exam were weighted equally in computing the final score. | ||
| The median final score for online students was 82.75. | ||
| The range of year 1 students’ scores on Exam 1 was greater than the range of year 1 students’ scores on the final exam. |
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Official Answer
The scores on Exam 1, Exam 2, and the final exam were weighted equally in computing the final score.: No
The median final score for online students was 82.75.: Yes
The range of year 1 students’ scores on Exam 1 was greater than the range of year 1 students’ scores on the final exam.: Yes
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Expert reply
09 Jun 2026, 13:34
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1)
If the scores are "weighted equally", then the Final Score must be equal to the average of Exam 1, Exam 2, and the Final Exam.
Let's check the first row of the table:
(89 + 87 + 85) / 3 = 87.
(Speed tip: this is an evenly spaced set, so median = average. The average must equal the median, 87, so we don't actually need to do the calculation above.)
87 does not equal the final score of 86.5, so our answer is No.
2)
First, sort the table for online students.
We see there are 9 online students, so the median will be the 5th from the highest or lowest value, in the final column:
82.75 is the 5th from the top or the bottom, so our answer is Yes.
3)
First, we sort for "year 1" students:
The range of Exam 1 scores is 85 - 65 = 20
The range of Final Exam scores is 84 - 68 = 16
20 > 16, so our answer is Yes.
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Quote:
If the scores are "weighted equally", then the Final Score must be equal to the average of Exam 1, Exam 2, and the Final Exam.
Let's check the first row of the table:
(89 + 87 + 85) / 3 = 87.
(Speed tip: this is an evenly spaced set, so median = average. The average must equal the median, 87, so we don't actually need to do the calculation above.)
87 does not equal the final score of 86.5, so our answer is No.
2)
Quote:
First, sort the table for online students.
We see there are 9 online students, so the median will be the 5th from the highest or lowest value, in the final column:
82.75 is the 5th from the top or the bottom, so our answer is Yes.
3)
Quote:
First, we sort for "year 1" students:
The range of Exam 1 scores is 85 - 65 = 20
The range of Final Exam scores is 84 - 68 = 16
20 > 16, so our answer is Yes.
Gmat860sanskar
Attachment:
GMAT-Club-Forum-7dis5fyn.png [ 30.71 KiB | Viewed 1894 times ]
Attachment:
GMAT-Club-Forum-q61tvlxt.png [ 83.84 KiB | Viewed 1864 times ]
Attachment:
GMAT-Club-Forum-o6uznhvc.png [ 48.08 KiB | Viewed 1700 times ]
11 Jun 2026, 13:49
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Statement 1
If the scores are weighted equally, the final score should be the arithmetic mean of the 3 scores.
Let’s check, for example, the first row (Abusuba): \(\frac{(89+87+85)}{3}= 87\)
However, the final score reported in the table is \(86.5\), so the scores are not equally weighted.
Answer: No
Statement 2
Let’s sort the “Online student?” column and consider only the values for students marked as online. There are 9 online students, so the median will be the 5th value in the ordered list, which is \(82.75\).
Answer: Yes
Statement 3
Let’s order the column “Year in program”.
“Exam 1 score” range: \(85-65=20\)
”Final exam score” range: \(84-68=16 \)
\(20>16\)
Answer: Yes
If the scores are weighted equally, the final score should be the arithmetic mean of the 3 scores.
Let’s check, for example, the first row (Abusuba): \(\frac{(89+87+85)}{3}= 87\)
However, the final score reported in the table is \(86.5\), so the scores are not equally weighted.
Answer: No
Statement 2
Let’s sort the “Online student?” column and consider only the values for students marked as online. There are 9 online students, so the median will be the 5th value in the ordered list, which is \(82.75\).
Answer: Yes
Statement 3
Let’s order the column “Year in program”.
“Exam 1 score” range: \(85-65=20\)
”Final exam score” range: \(84-68=16 \)
\(20>16\)
Answer: Yes
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