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thanks for the reply the independent values contains answers in scale and the dependent value is the variable gender which contains 2 values but it returns zero values. how can i compare them in oder to have the independence t test?

i am trying to conduct an independent t test among various variables. but i don have the wished result because it shows that the independence table is not produced the t test can not be produced because one of the groups is empty. i have tried everything all variables are numeric and nominal i...