taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
092/Gregg
092-901/Gladewater ISD

Category Summary

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

Stratum
Variance
A 28,180,570 0.9627 29,272,432 13 627 .032853752
A 29,232,370 1.0525 27,774,223 12 325 .017331509
A 29,715,130 1.0267 28,942,369 11 219 .008371541
A 29,149,660 0.9476 30,761,566 9 143 .005843935
E 24,382,914 0.9739 25,036,363 15 469 .009501115
F1 9,101,389 0.9653 9,428,560 9 153 .038737174
F1 8,534,020 0.9321 9,155,691 8 52 .016443171
F1 9,270,020 0.9121 10,163,381 7 23 .034740233
F1 8,676,620 0.8481 10,230,657 5 9 .031270278
G1 20,684,150 0.9715 21,290,942 9 91 .067325309
G1 20,982,099 0.9733 21,557,689 8 36 .048199723
G1 20,961,420 0.9589 21,859,860 6 16 .014319391
G1 19,093,220 1.0290 18,555,121 4 7 .008411597
L1 4,892,800 1.1277 4,338,743 10 129 .006628908
L1 2,988,510 1.0312 2,898,090 8 24 .002800408
L1 6,690,960 1.0297 6,497,970 6 21 .000805652
L1 5,042,530 1.0363 4,865,898 4 7 .005500157
Random Totals: 277,578,382   282,629,555 144 2,351  
Catg J Exception Values: 4,849,370   4,970,006      
Catg D1 Exception Values: 1,452,854   1,142,258      
Total Test Values (4): 283,880,606   288,741,819      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 14,437,091

Confidence Interval Values (5)

State Lower Limit: 274,304,728 (State Test Value minus Margin of Error Percent)
Local Test Value: 283,880,606 (Within Confidence Interval)
State Upper Limit: 303,178,910 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 302,644,858 (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