Terms O-Z

                                                                         - O -

Online research community- http://en.wikipedia.org/wiki/Online_research_community

Opinion Poll - http://en.wikipedia.org/wiki/Opinion_poll

Opt-In  -  http://en.wikipedia.org/wiki/Opt_in_e-mail

Opt-out -


                                                                        - P -

Polling Average  or Poll average - http://en.wikipedia.org/wiki/Poll_average

Population Standard Deviation - http://en.wikipedia.org/wiki/Standard_deviation and http://www.quickmba.com/stats/standard-deviation/

Push Poll - A push poll is a political campaign technique in which an individual or organization attempts to influence or alter the view of respondents under the guise of conducting a poll.
 http://en.wikipedia.org/wiki/Push_poll

                                                                         - Q -
                                     
                                                                         - R -

Random Digit Dialing (RDD) -     Random digit dialing (RDD) is a method for selecting people for involvement in telephone statistical surveys by generating telephone numbers at random.   http://en.wikipedia.org/wiki/Random_digit_dialing  and http://psychology.wikia.com/wiki/Random_digit_dialing

Regression analysis - http://en.wikipedia.org/wiki/Regression_analysis



                                                                        - S -

Sampling - http://en.wikipedia.org/wiki/Sampling_(statistics)

Skewness - http://en.wikipedia.org/wiki/Skewness

Standard Deviation - http://en.wikipedia.org/wiki/Standard_deviation

Statistical Significance - http://en.wikipedia.org/wiki/Statistical_significance

Student's T- Test - http://en.wikipedia.org/wiki/Student%27s_t-test
                                                                                                                                                                                                                                                               

                                                                         - T -

T-Test - See Student's T-test

Tests of significance - http://en.wikipedia.org/wiki/Tests_of_significance or http://en.wikipedia.org/wiki/Statistical_significance

                                                                         - U, V -

                                                                         - W, X, Y, Z -

Winsorized mean - http://en.wikipedia.org/wiki/Winsorized_mean