User Guide

233
Additional St a
tistical Procedures
Figure 11-12
Chi-Square Test dialog box
E Select Gender (gender2) as the test variable.
E Select All categories equal, since, in the general population of working age, the number
of males and females is approximately equal.
E Click OK to run the procedure.
The output shows a table of the expected and residual values for the categories. The
significance of the chi-square test is 0.6. Consult a statistics or data analysis text book
for more information on interpretation of the statistics.
Time Series Analysis
A time series variable is a variable whose values are recorded at regular intervals
over a period of time. The Time Series submenu on the Analyze menu provides
exponential smoothing that can be used for predictions. Exponential Smoothing is
available in the Student Version and in the Trends module.