Please Identify the following:

1. The primary statistic used to determine whether or not means from two different samples are different beyond what would be expected due to sample variation.
2. This analysis is used to compare more than two samples.
3. This analysis of paired data is used to establish relationship (association or interdependence) of the values of two or more qualitative or quantitative variables.
4. This analysis of paired data is used to establish relationship between the mean of a random variable and the values of one or more independent variables on which it depends.
5. This correlation coefficient is use when x and y are interval or ratio scales.