Five observations taken for two variables follow.
4
6
11
3
16
50
40
40
70
20
Compute the sample covariance.
Based on the sample covariance, what can be said about the relationship between the two variables?
There is a strong positive linear relationship between the two variables.
There is a strong negative linear relationship between the two variables.
There is no relationship between the two variables.
There is a positive linear relationship between the two variables, but the strength of this relationship cannot be determined based on the sample covariance.
There is a negative linear relationship between the two variables, but the strength of this relationship cannot be determined based on the sample covariance.
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