Any two variables must always be correlated. State true or false.
True
False
Two variables may be positively or negatively correlated. They can also have zero or no correlation. Hence, the statement is false.
dummy - Any two variables must always be correlated. State true or false.
Spearman's rank coefficient is used to understand the correlation between variables which can be clearly quantified. State true or false.
A term must contain a variable. State true or false.
Correlation implies causation. State true or false.
If the slope of the line of best fit for two variables is negative, then the correlation between the variables is also negative. State true or false.