Print method for objects of class "Sterrett" created
by the Sterrett function.
# S3 method for class 'Sterrett'
print(x, ...)An object of class "Sterrett" (Sterrett).
Additional arguments to be passed to print.
Currently only digits to be passed to signif for
appropriate rounding.
A print out of the PMF, expected testing expenditure and variance
of testing expenditure resulting from Sterrett.