test equality of proportions equality of proportions example what tests equality of proportions can age categories have equal proportions equality of proportions test equality of proportions example equality of proportions spss how to test equality of proportions in statistics equality of proportions test can you test equality of proportions in spss what is spss test equality of proportions example equality of proportions sputshire what is the test for equality of proportions testing equality of proportions using chi square test equality of proportion test what is the equality of proportion testing equal proportion testing equality of proportions spss test which test is used to test equality of proportions in spss