when t-testing differences are tested which is the independent t-test test in nsw? how to test for age difference why are demographics a variable age is measured by __________ and not categorical. age / demographic difference do we have to covert age for the chi square test in a comparative study age vs. age comparison can age be a demographic variable in a study how to compare age and demographic age vs age is used as how to compare two demographics what is the difference between age and age is age a categorical variable how do i check age when comparing two groups? how to test the difference between two groups of people age is the same as age as it is measured how would you test the difference between a group of individuals what is the difference between a demographic variable and age what is the difference between age and age demographic variable? when comparing two demographic variables do i use a chi-square test or t-test?