Russel-Research-Method-in-Anthropology

636 Chapter 20
90
80
FRIENDS
70
60
50
Regression
line
y = 41.15
40
30
20
10
Figure 20.8. Number of friends by age.
0
10 20 30 40 50 60 70 80 90
AGE
TABLE 20.19
Hypothetical Data on Number of Friends by Age
Person Age Number of Friends
1 12 8
2 18 14 y 1 19.25
3 21 30
4 26 25
5 27 56
6 30 43
7 36 61
8 39 41
9 42 82 y 2 57.00
10 45 55
11 47 70
12 49 75
13 51 41
14 55 38
15 61 65
16 64 52
17 70 22
18 76 28 y 3 23.80
19 80 11
20 89 6
y 41.15