is cross validation a significant test which is considered the standard approach for selecting a correlated variable? what is the purpose of a cross validation which approach is commonly used to select a correlated variable? what is cross validation testing what is significance testing cross validation? what is the test called for determining the correlation of two analyzed data? which is better cross validation analysis or significance test what's the difference between a cross validation and a significance test what is the purpose of correlation analysis what is cross validation and significance testing what is the purpose of significance testing why does a correlation test include cross validation what is cross validation of data and significance what is the purpose of a cross validation test? what is the purpose of a cross validation test for a correlation test? which test measures the presence of a variable in a analyzed set? cross validation and significance testing what is the test that is used to select a correlation variable? what is the difference between a cross validated significance test and a significance test