Stem-and-Leaf Plot for Structure 1501, Sand Canyon Pueblo
Stem-and-leaf plot of all tree-ring dates for Structure 1501. Each numeric digit in the bars of the histogram represents the final digit of one tree-ring date. For example, in the seventh row from the bottom, there are four dates in the A.D. 1200s: 1200, 1202, 1203, and 1209. The second date is a cutting date.
A.D.
780s
78
00
**
890s
89
1
**
950s
95
4
960s
96
44
970s
97
2
980s
98
9
**
1020s
102
568
**
1050s
105
9
1060s
106
8
1070s
107
9
1080s
108
007
**
1100s
110
6
1110s
111
22
1120s
112
27
**
1140s
114
145
**
1160s
116
3
1170s
117
3
1180s
118
48
1190s
119
477
1200s
120
0239
1210s
121
000113
1220s
122
11
1230s
123
112467889
1240s
124
2335555
1250s
125
00123334777789
1260s
126
00011111111111111111111
KEY
** = break in scale of y-axis
underlined = cutting date
unmarked = noncutting date
Copyright © 2003 by Crow Canyon Archaeological Center. All rights reserved.