It is a dichotomous variable.
central tendancy gets more obvious
In general when you take a sample of values of a random variable you will find that those values lie around some central value that is characteristic of the total population for the random variable. A measure of central tendancy (such as a sample mean, sample mode or sample median) is a statistic which is intended to estimate the central value of the population using the values in the sample in some way.
Uncontrolled tendancy to bleed.
cleavage is the tendancy of a rock to break on an flat surface.
Foot fetish.
Depends on where you are talking about. But has a tendancy to be dirter by our standards.
She had a tendency to bite her nails when she was nervous.
it is the tendancy of an object to resist a change in motion.
You are probably thinking of Narcolepsy, which is the tendancy to fall asleep unexpectedly.
Visual tendancy of a set of data
No they have a seal like at the pay laundry places.