taxes Property Tax Assistance

2017 Confidence Interval Detail

186/Pecos
186-902/Fort Stockton ISD

Category Summary

(1)
Category		 (1)
Local
Value		 (1)
Stratum
Ratio		 (1)
State
Value		 (2)
Sample
Size		 (3)
Total
Parcels
Stratum
Variance
A 55,130,780 0.7876 69,998,451 15 1,459 .130173367
A 57,127,220 0.6911 82,661,294 15 793 .101608769
A 58,372,960 0.6968 83,772,905 15 520 .015786050
A 65,326,020 0.8406 77,713,562 15 342 .013637216
F1 20,437,200 0.8568 23,852,941 13 218 .064782545
F1 21,042,360 0.8376 25,122,206 17 58 .128661360
F1 18,532,450 0.6851 27,050,723 9 12 .318906702
G1 97,928,036 1.0159 96,395,350 16 373 .004972303
G1 97,344,187 1.0132 96,075,984 14 54 .001889367
G1 99,818,098 1.0186 97,995,384 15 28 .015890293
G1 91,869,077 1.0102 90,941,474 9 13 .007659191
Random Totals: 682,928,388   771,580,274 153 3,870  
Catg J Exception Values: 34,845,810   35,265,592      
Catg D1 Exception Values: 16,844,090   20,525,124      
Catg F1 Exception Values: 21,985,930   38,250,990      
Total Test Values (4): 756,604,218   865,621,980      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 43,281,099

Confidence Interval Values (5)

Local Test Value: 756,604,218 (Outside Confidence Interval)
State Lower Limit: 822,340,881 (State Test Value minus Margin of Error Percent)
State Upper Limit: 908,903,079 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,315,455,532 (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