Card Set Information
stats stat statistics
The assumption is that whatever is proposed as a cause has no effect on the variable being measured.
Expression of how closely the sample estimate matches the true value in the whole population.
The average value in a data set
Middle value separating the greater and lesser halves of a data set
Most frequent value in a data set
Descriptor of how far numbers in a data set lie from the mean
The square root of the variance of a data set