1. Chi-Square (x2)

2. Chi-square
Tests for significance in relationships between ordinal- and nominal-level variables (in contrast to interval/scale-level variables where you would do a T-test for a “difference in means”)
When you wear a polo shirt, do you wear your collar flipped up?
yes no Total
What is your Gender? male
female
Total

3. Chi-square
When you wear a polo shirt, do you wear your collar flipped up?
yes no Total
What is your Gender? male 9 (14.3) 93 (87.7) 102
female 19 (13.7) 79 (84.3) 98
Total
Chi-square (x2) = (14.3-9)2 + ( )2 + ( )2 + ( )2
Chi-square (x2) = 4.633

4. Chi-square Gender Male Female Total Total 157 182 339
If you could alter your dating situation, which of the following would you be most likely to choose?
Gender Male Female Total
hook up more and date less
hook up less and date more
do neither; i'm content
Total

5. Chi-square
If you could alter your dating situation, which of the following would you be most likely to choose?
Gender Male Female Total
hook up more and date less 31 (17) (20) 37
hook up less and date more 57 (60) 66 (66) 123
do neither; i'm content 69 (83) 110 (96) 179
Total
Chi-square (x2) = (17-31)2 + (20-6)2 + (60-57)2 + (66-66)2 + (83-69)2 + (96-110)
Chi-square (x2) =

6. Chi-square Was UofR your first choice?
Year are you at UofR? Freshman Senior Total
no (91.4) (97.6) 189
yes (87.6) (93.4) 181
Total
Chi-square (x2) = ( )2 + ( )2 + ( )2 + ( )2
Chi-square (x2) = 3.962