taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
114/Howard
114-901/Big Spring ISD

Category Summary

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

Stratum
Variance
A 103,562,109 0.8037 128,856,674 17 2,975 .054052263
A 129,797,707 0.8802 147,463,880 62 1,759 .022499540
A 126,253,175 0.9508 132,786,259 41 961 .009595212
A 121,017,298 0.9567 126,494,510 37 494 .006598167
F1 43,750,082 0.9039 48,401,463 15 446 .049728146
F1 53,033,643 0.9516 55,731,025 15 129 .015213243
F1 31,458,740 0.9366 33,588,234 10 16 .023861413
G1 124,738,451 1.0003 124,701,041 13 124 .040396310
G1 126,476,602 1.0105 125,162,397 12 52 .014182637
G1 123,268,720 1.0141 121,554,797 9 25 .028148090
G1 120,799,893 1.1002 109,798,121 6 10 .021489170
L1 18,113,975 0.9390 19,290,708 10 238 .025226608
L1 25,053,034 0.9349 26,797,555 8 64 .007620274
L1 12,374,465 1.0039 12,326,392 6 10 .000980544
L1 23,711,538 0.9903 23,943,793 2 5 .001133121
Random Totals: 1,183,409,432   1,236,896,849 263 7,308  
Catg D1 Exception Values: 17,770,183   19,056,507      
Catg F1 Exception Values: 36,714,684   44,517,322      
Total Test Values (4): 1,237,894,299   1,300,470,678      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 65,023,533

Confidence Interval Values (5)

State Lower Limit: 1,235,447,145 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,237,894,299 (Within Confidence Interval)
State Upper Limit: 1,365,494,211 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,886,935,798 (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