It is a measure that does not correct for chance agreement. The point below which a specified percentage of the observations fall. The number of ways objects can be arranged taking ordering into account. The correlation coefficient when both of the variables are measured as dichotomies. The correlation coefficient when one of the variables is measured as a dichotomy.
Point estimate The specific value taken as the estimate of a parameter.
A weighted average of the separate sample variances. The degrees of freedom serve as the weights. Population variance Variance of the population. It is usually estimated, rarely computed. Population Complete set of events in which you are interested.