Question
The following scatter plot of 4 different samples shows the correlation between weight and height in the samples. All 4 samples have the same coefficient of correlation of 0.6 taken together, what will be the net correlation coefficient?
A. More then 0.6
B. Less then 0.6
C. 0.6
D. Cannot be calculated
Show Answer
med_correlation
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Correct Answer » C Explanation |
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Ans: C. 0.6
- Coefficient of correlation is given by the slope of the graph, since the slope of all four populations are same i.e. 0.6, overall correlation coefficient will remain as 0.6.