Select Reference Values
Click the Specify button on any tab of the T-Test for Single Mean
Use these options to specify the reference values to use for the null hypothesis when you do not want to use the same reference value for each variable.
OK
Click the OK button to accept the specified values and return to the previous dialog box.
Cancel
Click the Cancel button to return to the previous dialog box without changing any of the default values.
Values box
Specify the reference value for each variable listed in this box.
You can type the number in the edit field or use the microscrolls to specify the value.
Common value
Specify a common value to use for all variables.
Apply
Click the Apply button to apply the value specified in the Common value field to all factors in the Valuesbox.