what is a valid test? chi test how many cases vs 5000 controls is chi test significant is chi a valid test does chi test show any significance which test shows no significant chi test is no significance does chi test show significant in a case how many cases to run chi test on? how to determine if the histogram is significant does a chi test show significance is chi test a valid test how to show significance of random selection in histogram when doing the chi tests, when comparing 5000 cases, how to check significantity which chi.test has no significance does chi test show significance chi test shows no significance why are there no significant tests how do you find the significance of a chi test when running a histogram of histograms, how does chi test show the significance of the data