how do you get the probability out of test data how do you determine probability how is p value and value converted how is $chi2$ value converted to _____% chi2 value to p value how is chi$value converted into p-value how is pvalues calculated convert p value to chi how is test data converted to probability convert a p value to a value what is the probability in multivariate testing how is $chi2$ value converted to p-value what is the math for p value how is the data of split testing used how does the value of chi2 change to ppt? how does a value converted to chi how does $chi2$ calculate chi2 how is calculated how is chi2$ value converted to p value? how do i get the p value from test data?