taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 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 65,281,168 1.0037 65,040,518 15 882 .028815299
A 65,296,730 0.9820 66,493,615 7 480 .024163855
A 67,244,420 0.9182 73,235,047 19 350 .023476240
A 71,748,620 0.9764 73,482,814 12 240 .006143796
E 327,683,068 0.9953 329,230,451 24 3,634 .048918316
F1 22,879,970 0.9537 23,990,741 10 164 .523103292
F1 24,256,540 1.0060 24,111,869 8 50 .005473471
F1 27,031,710 1.0201 26,499,079 7 22 .010292109
F1 20,589,450 0.9572 21,510,081 4 7 .011133326
G1 6,549,529 0.9833 6,660,764 6 14 .111300214
G1 6,906,402 1.0287 6,713,718 3 5 .004211820
G1 6,499,217 1.0541 6,165,655 2 3 .001092281
Random Totals: 711,966,824   723,134,352 117 5,851  
Catg J Exception Values: 28,072,422   28,502,071      
Catg D1 Exception Values: 24,448,016   17,404,669      
Catg G1 Exception Values: 5,279,364   5,070,174      
Total Test Values (4): 769,766,626   774,111,266      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 38,705,563

Confidence Interval Values (5)

State Lower Limit: 735,405,703 (State Test Value minus Margin of Error Percent)
Local Test Value: 769,766,626 (Within Confidence Interval)
State Upper Limit: 812,816,829 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 902,275,770 (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