what test should u use to determine if a policy change had a statistically significant impact on website registrations? what is the test that will determine if a change in policy will have a statistically significant effect on websites? what test do you use when analyzing statistics on site registrations which type of test should be used to identify the effects of change in registration policy? how can i determine if changes on registrations had any impact? how to test for sitewide policy change which of the following tests should be used to determine whether a policy change has been statistically significant? when did website registration change determining when a policy change has a statistically significant impact which is the best tool in order to determine whether a policy change has a statistically significant impact on website registrations? how to test for statistically significant change why do I need to do a t test for policy changes what is the statistically significant effect of a policy change statistical test for website registration policy how to find the impact of a policy change how is statistically significant how do you determine if a policy change has a statistically significant impact on website registrations? what statistical test should i use to determine if a policy change had a statistically significant impact on website registrations? what is statistically significant for website registrations when is a change from website policy statistically significant