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Table 4.30. Results of regression analyses testing proportion of trachyte temper by distance to Chacoan structures and great kivas.a

Site No.
Chacoan Structure or Great Kiva
Date Group
N Source DF Sum of Squares Mean Square F Value Prob >F R-Square
29SJ 352
great kiva
890-1025
12 Model
Error
C Total
1
10
11
38.271998
495.091
533.363
38.271998
49.509123
0.773 0.3999 0.0718
29SJ 352
great kiva
1030-1130
21 Model
Error
C Total
1
19
20
220.406
1106.212
1326.618
220.406
58.221658
3.786 0.0666 0.1661
29SJ 1413
Chacoan structure
1030-1130
21 Model
Error
C Total
1
19
20
294.099
54.343066
294.099
54.343066
5.412 0.0312b 0.2217
29Mc 261
great kiva
890-1025
17 Model
Error
C Total
1
15
16
324.324
187.629
511.953
324.324
12.508571
25.928 0.0001b 0.6335
29SJ 1580
Chacoan structure
890-1025
18 Model
Error
C Total
1
15
16
177.429
343.191
520.620
177.429
21.449442
8.272 0.0110b 0.3408
29SJ 1580
Chacoan structure
890-1130
27 Model
Error
C Total
1
25
26
116.923
803.056
919.978
116.923
32.122224
3.640 0.0680 0.1271
aRegression model used: Y=B0+B1Xi+E.
bSignificant at 0.05 level.