A research report indicates that a study subject scored at the ...

[erika]

A research report indicates that a study subject scored at the 65th percentile on a math test. How does the reader interpret that report?
 
  1. The subject scored 65 on the exam.
  2. Sixty-five percent of the subjects taking the exam scored higher than this subject.
  3. The subject was the 65th person to take the exam.
  4. Thirty-five percent of subjects taking the exam scored higher than this subject did.

Question 2

What is the range of the following test scores? 65 73 84 84 92 Standard Text: Record your answer, rounding to the nearest whole number.
 
  What will be an ideal response?

[tuate]

Answer to Question 1

4
Rationale 1: Percentage scored on the exam and the percentile ranking on the exam are not the same measure.
Rationale 2: Sixty-fifth percentile means that 65 of those taking the exam scored lower than this subject.
Rationale 3: This is not the meaning of 65th percentile.
Rationale 4: The 65th percentile indicates that 65 of the subjects taking the exam scored lower than this subject and that 35 of those taking the exam scored higher than this subject did.
Global Rationale:

Answer to Question 2

27
Rationale: The range is the difference between the highest score and the lowest score.
Global Rationale: