Two classes take the same exam. Suppose a certain score is at the 40th percentile for the first class and at the 80th percentile for the second class. Which of the following is the most reasonable conclusion? A. Students in the first class generally scored higher than students in the second class. B. Students in the second class generally scored higher than students in the first class. C. A score at the 20th percentile for the first class is at the 40th percentile for the second class. D. A score at the 50th percentile for the first class is at the 90th percentile for the second class. E. One of the classes has twice the number of students as the other.
Added by Harizz K.
Step 1
This means that 40% of students in the first class scored below this score, while 80% of students in the second class scored below this score. Show more…
Show all steps
Close
Your feedback will help us improve your experience
Jason Huang and 78 other Intro Stats / AP Statistics educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Rochan B.
Ahmet Y.
An 80th percentile score on a test indicates that the student (a) answered a majority of the questions correctly; (b) knows 80% of the material covered on the exam; (c) has earned a score equal to or better than 80% of the other test takers; (d) has earned a score equal to or better than at least 80 of the other test takers; (e) attended class 80% of the time.
T. L.
Recommended Textbooks
Elementary Statistics a Step by Step Approach
The Practice of Statistics for AP
Introductory Statistics
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD