📊 GMAT Exam Prep

Is the average test score for Class A higher than the average test score for Class B? Statement 1: The median test score for Class A is 85, and the median test score for Class B is 80. Statement 2: All students in Class A scored between 70 and 95, and all students in Class B scored between 60 and 90.

A Statement 1 ALONE is sufficient, but Statement 2 ALONE is not sufficient.
B Statement 2 ALONE is sufficient, but Statement 1 ALONE is not sufficient.
C BOTH Statements 1 and 2 TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D NEITHER statement ALONE nor BOTH statements TOGETHER are sufficient.

✓ Correct Answer: Option D

Statement 1 (medians) doesn't guarantee the average. Statement 2 (ranges) doesn't tell us about the distribution within the range. Even together, knowing the median and range for each class does not provide enough information to definitively compare their averages, as skewness could vary.

💡 Why is D) the correct answer?

The correct answer to the question "Is the average test score for Class A higher than the average test score for Class B? Statement 1: The median test score for Class A is 85, and the median test score for Class B is 80. Statement 2: All students in Class A scored between 70 and 95, and all students in Class B scored between 60 and 90." is Option D: NEITHER statement ALONE nor BOTH statements TOGETHER are sufficient..

The other options — A) Statement 1 ALONE is sufficient, but Statement 2 ALONE is not sufficient., B) Statement 2 ALONE is sufficient, but Statement 1 ALONE is not sufficient., C) BOTH Statements 1 and 2 TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. — are incorrect for this GMAT Exam Prep question. As explained above: Statement 1 (medians) doesn't guarantee the average. Statement 2 (ranges) doesn't tell us about the distribution within the range. Even together, knowing the median and range for each class does not …

📚 About This GMAT Exam Prep Practice Question

This 3-level GMAT Exam Prep question from the Data Insights topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free GMAT Exam Prep practice test or use flashcards for spaced repetition review.

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