taxes Property Tax Assistance

2017 Confidence Interval Detail

101/Harris
101-910/Galena Park ISD

Category Summary

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

Stratum
Variance
A 375,891,522 0.9692 387,836,898 31 5,961 .020233175
A 430,124,522 0.9620 447,114,888 51 4,553 .010067981
A 519,081,264 0.9639 538,521,905 34 4,125 .015523626
A 526,015,326 0.9819 535,711,708 51 2,747 .013226940
B 56,111,860 0.7291 76,960,444 10 92 .005833538
B 65,549,337 0.7687 85,272,976 5 9 .002994766
B 69,914,778 0.8023 87,142,937 3 6 .016069398
B 76,975,102 0.9406 81,836,171 2 4 .000927328
F1 160,774,527 0.9386 171,291,846 14 496 .015077137
F1 155,081,206 0.8077 192,003,474 9 99 .190831481
F1 150,515,125 0.8675 173,504,467 8 41 .022695837
F1 176,103,711 0.9009 195,475,315 6 17 .045427168
L1 157,408,029 0.9624 163,557,802 9 447 .008700045
L1 156,770,249 0.9573 163,762,926 10 30 .041186123
L1 185,541,888 1.0947 169,491,082 4 6 .029899822
Random Totals: 3,261,858,446   3,469,484,839 247 18,633  
Catg D1 Exception Values: 64,042   76,320      
Catg L1 Exception Values: 183,802,061   146,751,621      
Total Test Values (4): 3,445,724,549   3,616,312,780      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 180,815,639

Confidence Interval Values (5)

State Lower Limit: 3,435,497,141 (State Test Value minus Margin of Error Percent)
Local Test Value: 3,445,724,549 (Within Confidence Interval)
State Upper Limit: 3,797,128,419 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 8,375,215,201 (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