why does statistics testing need to be performed when was the population data last checked how to find statistically significant increase in hit data when do you pull data weekly how to build statistical data how to check statistics of data what is most recent population data when should a statistical test be done for the most recent month when does a trend in population change come out statistical tests how long for data what is the data for every month? how far back are statistics testable why is the data monthly when do statistical tests need to be pulled when is the most recent week of data can i test the statistical validity of population data? when do you pull a population mean what's the population mean of the most recent data set what is statistical test for a population how many weeks are statistics in st data