ISEE Mathematics Achievement Question 15: Answer and Explanation
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Question: 15
1. After grading her students' tests, Ms. Schuyler added a bonus of 5 points to each test. If the range of the test scores before the bonus was 82, what is the new range of the test scores?
- A. 82.00
- B. 84.50
- C. 85.50
- D. 87.00
Correct Answer: A
Explanation:
A
Adding 5 points to each student's score will not affect the range because both the lowest and highest scores are 5 points higher, leaving the difference the same.