taxes Property Tax Assistance

2017 Confidence Interval Detail

055/Culberson
055-901/Culberson County-Allamore ISD

Category Summary

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

Stratum
Variance
A 8,144,220 0.7695 10,583,782 10 300 .034421563
A 8,827,920 0.8476 10,415,196 9 153 .023908170
A 8,231,510 0.8526 9,654,598 9 104 .015692801
A 9,422,680 0.9009 10,459,185 9 73 .009001777
G1 182,052,800 0.9089 200,300,143 14 114 .154637998
G1 182,870,400 0.9398 194,584,380 12 45 .054154153
G1 179,917,650 1.0022 179,522,700 9 23 .001385542
G1 181,524,710 1.0077 180,137,650 7 13 .000870253
Random Totals: 760,991,890   795,657,634 79 825  
Catg J Exception Values: 104,986,000   111,675,337      
Catg D1 Exception Values: 17,963,900   8,346,795      
Total Test Values (4): 883,941,790   915,679,766      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 45,783,988

Confidence Interval Values (5)

State Lower Limit: 869,895,778 (State Test Value minus Margin of Error Percent)
Local Test Value: 883,941,790 (Within Confidence Interval)
State Upper Limit: 961,463,754 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,377,466,797 (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, D2, E, 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