Asked by Amanjot singh on Jul 14, 2024
Verified
If a simple Pearson correlation value = 0.362,what percentage of variance is unaccounted for?
A) 25%
B) 36%
C) 56%
D) 87%
Pearson Correlation
A measure of the linear relationship between two variables, ranging from -1 to 1, where 1 means a perfect positive correlation and -1 means a perfect negative correlation.
- Acquire proficiency in calculating and understanding the correlation coefficient and the coefficient of determination.
Verified Answer
KB
kjdavid BennettJul 15, 2024
Final Answer :
D
Explanation :
The percentage of variance unaccounted for is found by subtracting the square of the Pearson correlation coefficient from 1. So, 1−0.3622=1−0.131=0.8691 - 0.362^2 = 1 - 0.131 = 0.8691−0.3622=1−0.131=0.869 or approximately 87%.
Learning Objectives
- Acquire proficiency in calculating and understanding the correlation coefficient and the coefficient of determination.