3. Compute the rank correlation coefficient for the following data of the marks obtained by 8 students in the Commerce and Mathematics classes. [5] Marks in Commerce 15 20 28 12 40 60 20 80 Marks in Mathematics 40 30 50 30 20 10 30 60
Added by Erik C.
Close
Step 1
- Marks in Commerce: 15, 20, 28, 12, 40, 60, 20, 80 - Marks in Mathematics: 40, 30, 50, 30, 20, 10, 30, 60 Show more…
Show all steps
Your feedback will help us improve your experience
Madhur L and 70 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
Ten Students got the following percentage of marks in Economics and Statistics: Roll No.: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 Marks in Economics: 78 | 36 | 98 | 25 | 75 | 82 | 90 | 62 | 65 | 39 Marks in Statistics: 84 | 51 | 91 | 60 | 68 | 62 | 86 | 58 | 53 | 47 Calculate the Coefficient of Correlation
Jerelyn N.
The following data relates to the marks obtained by 10 students of a class in Statistics and Costing: Statistics: 30, 38, 28, 27, 28, 23, 30, 33, 28, 35 Costing: 29, 27, 22, 29, 20, 29, 18, 21, 27, 22 a) Find the rank correlation coefficient. (3 marks) b) Test if there is a significant negative correlation in the population. (2 marks) Use the critical value of the rank correlation, which is -0.564.
Mahajan A.
The following data gives the number of hours 10 students spent studying and their corresponding grades on their midterm exams. Hours Spent Studying 1 1.5 2.5 3 3.5 4 4.5 5 5.5 6 Midterm Grades 63 66 69 72 75 78 81 84 90 96 Step 3 of 3: Calculate the correlation coefficient, r. Round your answer to three decimal places.
Ahmet Y.
Recommended Textbooks
Elementary Statistics a Step by Step Approach
The Practice of Statistics for AP
Introductory Statistics
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD