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Chapter 5 · Data Analysis: A Concise Overview of Statistical Techniques · Slide 181/274

Cross-Tabulations

Case 2 · the third variable

5.1.4 · Cross-TabulationsCase 2 · the third variable

Cross-Tabulations


Case 2Hidden
Relationship
Does age influence the desire to travel and seek adventure?
Desire for international travel by age
Desire for
international travel
Age
Under 4545 and over
yes50 %50 %
no50 %50 %
Total100 %100 %
Number of cases500500
… by age and gender
Desire for
international travel
MaleFemale
< 45≥ 45< 45≥ 45
yes60 %40 %35 %65 %
no40 %60 %65 %35 %
Total100 %100 %100 %100 %
Number of cases300300200200
Aggregated (50%/50%), age appears to play no role. Only when split by gender does it become clear: for men the desire to travel rises with age, for women it falls — a hidden relationship.
QUESTIONSTAR · Dr. Paul Marx181 / 274
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