Relationship between friendship and gender
Students in a statistics class at Penn State University were asked “With whom is it
easiest to make friends?” The choices were “The opposite sex,” “The same sex,” and
“It makes no difference.” Students also indicated their gender (male or female). The
data are summarized below. Source: Utts and Heckard (2004), Mind on Statistics,
Belmont, CA: Brooks/Cole, pages 529-530.
With whom is it easiest to make friends?
Female
Male
Total
Same Sex
16
13
29
Opposite Sex
58
15
73
No Difference
63
40
103
Total
137
68
205
Fit Y by X
Y, Response: Answer
X, Factor:
Gender
Block:
Weight:
Freq:
Count
By:
1
JMP Analysis of Answer By Gender
Mosaic Plot
1.00
Same
Answer
0.75
Opposite
0.50
0.25
No Diff
0.00
Female
Male
Gender
Contingency Table
Gender By Answer
No Diff
Count
Row %
Expected
Female
63
45.99
68.8341
Male
40
58.82
34.1659
103
Tests
Source
Model
Error
C. Total
N
Test
Likelihood Ratio
Pearson
DF
2
201
203
205
Opposite
Same
58
42.34
48.7854
15
22.06
24.2146
73
16
11.68
19.3805
13
19.12
9.61951
29
-LogLike
4.42581
198.55904
202.98484
ChiSquare
8.852
8.515
137
68
205
RSquare (U)
0.0218
Prob>ChiSq
0.0120
0.0142
2