taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
045/Colorado
045-902/Columbus ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 63,768,611 0.9470 67,337,498 14 884 .005714962
A 61,093,100 0.9152 66,753,824 15 469 .020954990
A 62,896,060 0.9903 63,512,128 13 344 .007495159
A 65,139,090 1.0257 63,506,961 12 230 .004316162
E 281,760,064 0.9550 295,036,716 34 3,584 .016554879
F1 22,229,980 0.8168 27,215,940 9 167 .089941246
F1 22,608,240 0.7872 28,719,817 8 49 .079369358
F1 20,446,040 0.9302 21,980,262 7 18 .014470261
F1 22,390,860 0.8516 26,292,696 4 8 .033871463
G1 14,752,251 1.0130 14,562,933 6 16 .143707028
G1 14,138,329 1.0724 13,183,820 3 5 .019448900
G1 13,885,055 1.0188 13,628,833 2 3 .003373445
Random Totals: 665,107,680   701,731,428 127 5,777  
Catg J Exception Values: 22,918,722   22,528,685      
Catg D1 Exception Values: 23,813,774   19,276,949      
Catg G1 Exception Values: 25,123,343   25,647,923      
Total Test Values (4): 736,963,519   769,184,985      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 38,459,249

Confidence Interval Values (5)

State Lower Limit: 730,725,736 (State Test Value minus Margin of Error Percent)
Local Test Value: 736,963,519 (Within Confidence Interval)
State Upper Limit: 807,644,234 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 851,781,287 (See ISD Summary Worksheet)

Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D3, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories