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157
Complex Samples Frequencies
Figure 15-2
Frequencies dialog box
E Select Vitamin/mineral supplmnts-past 12 m as a frequency variable.
E Select Age category as a subpopulation variable.
E Click Statis tics.
Figure 15-3
Frequencies Statistics dial og box
E Select Table perc ent in the Cells group.
E Select Confidence interval in the Statistics group.
E Click Continue.
E Click OK in the Frequencies dialog box.