Chi-Square (x2)

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Chi-Square (x2)
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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 9 93 102 female 19 79 98
Total 28 172 200
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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 28 172 200 Chi-square
(x2) (14.3-9)2 (87.7-93)2 (13.7-19)2
(84.3-79)2 14.3 87.7 13.7
84.3 Chi-square (x2) 4.633
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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 6 37
• hook up less and date more 57 66 123
• do neither i'm content 69 110 179
• Total 157 182 339

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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) 6
  (20) 37
• hook up less and date more 57 (60) 66
  (66) 123
• do neither i'm content 69 (83) 110 (96) 179
• Total 157 182 339
• Chi-square (x2) (17-31)2 (20-6)2
  (60-57)2 (66-66)2 (83-69)2 (96-110)
• 17 20 60 66
  83 96
• Chi-square (x2) 25.235

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Chi-square

• Was UofR your first choice?
• Year are you at UofR?
  Freshman Senior Total
• no 101 (91.4) 88 (97.6) 189
• yes 78 (87.6) 103 (93.4) 181
• Total 179 191 370
• Chi-square (x2) (91.4-101)2 (97.6-88)2
  (87.6-78)2 (93.4-103)2
• 94.1 97.6 87.6 93.4
• Chi-square (x2) 3.962

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