The mean, median, and mode are all equal.
The mean is larger than the median
The median is larger than the mean.
The standard deviation must be larger than the mean or the median.
None of these
R = - 1
R = 0
R = 1
R = 2
Twice the standard standard deviation
Half of the range
When there is significant linear correlation
When there is significant mluticorrelation
When there is significant quadratic correlation
When there is significant simple correlation