Best VIP Call Girls Noida Sector 22 Call Me: 8448380779
Guideline for interpreting correlation coefficient
1. Guideline for Interpreting
Correlation Coefficient
by
Ith Phanny
To accompany: International Mathematics
For the Middle Year 5
by Alan McSeveny, Rob Conway, Steve Wilkes, and Michael Smith
Copyright Pearson Australia 2009
ITH PHANNY
2. Correlation Coefficient
Interpretation Guideline
The correlation coefficient (r) ranges from -1
(a perfect negative correlation) to 1 (a perfect
positive correlation). In short, −1 ≤ 𝑟 ≤ 1.
0 0.2 0.4 1−1 −0.8 −0.6 −0.2−0.4 0.6 0.8
Negligible or
no correlation
Moderate
correlation
Weak
correlation
Strong
correlation
Very
strong
correlation
Weak
correlation
Moderate
correlation
Strong
correlation
Very
strong
correlation
Negative correlation Positive correlation
ITH PHANNY
A variable: is some characteristics of a population or sample.
Data: are the observed values of a variable
Bivariate data: data collected that has two variables.
Correlation: a connection between sets of data. This can be negative or positive, linear or non linear.