Children whose parents hold college degrees are more likely to earn a college degree themselves than those children whose parents do not hold a college degree.
This is a good correlation
but
it is not perfect.
What is the cause?
The number of ice cream cones eaten per week in New York is associated with the number of mosquito bites in Minnesota.
They rise and fall with each other.
What is the cause?
Odontology
The Study of Teeth
Forensic
Odontologists can supply estimates of a victim’s age by studying the state of
growth or decay of the victim’s teeth.
However, the growth
patterns in teeth yield a much more precise prediction of age than the decay
patterns.
Thus, it is
possible to estimate the age of a person under the age of twenty-five years with
a margin of error of twenty days on either side.
After the age of twenty-five, the margin of error can be as large as forty-two months on either side of the true age.
Name
If the symptoms of a patient perfectly
fit that of a disease which occurs with a probability of 1 in ten million
or
fits two separate diseases each of which occurs with probability of 1 in 1000
which is more likely?
What if it is one disease occurs
or
In a room with people there is a 50% chance that at least two will share the same birthday (ignoring the year).