taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 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 29,685,210 0.9940 29,864,396 8 635 .011916594
A 30,898,230 0.9819 31,467,797 8 333 .006552988
A 30,445,800 0.9898 30,759,547 14 220 .012449657
A 29,210,089 1.0539 27,716,187 7 141 .001954861
E 27,665,625 0.9904 27,933,789 10 509 .010379796
F1 9,344,950 0.8923 10,472,879 13 152 .024844326
F1 8,929,840 0.9741 9,167,272 8 53 .009832955
F1 10,345,920 0.9673 10,695,668 7 25 .001804455
F1 8,871,930 0.9906 8,956,118 5 9 .003965322
G1 13,994,280 0.9772 14,320,794 9 100 .064660786
G1 14,149,051 1.0147 13,944,073 8 36 .040588810
G1 14,506,600 0.9950 14,579,497 6 17 .004179567
G1 13,287,029 1.0024 13,255,216 5 8 .014634604
L1 5,729,690 0.8185 7,000,232 10 141 .196882954
L1 3,884,600 1.1763 3,302,389 10 24 .140759433
L1 5,193,140 1.0640 4,880,771 6 14 .149057980
L1 6,158,190 1.0568 5,827,205 4 8 .008044414
Random Totals: 262,300,174   264,143,830 138 2,425  
Catg J Exception Values: 5,135,010   4,545,551      
Catg D1 Exception Values: 1,545,477   1,676,038      
Total Test Values (4): 268,980,661   270,365,419      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 13,518,270

Confidence Interval Values (5)

State Lower Limit: 256,847,149 (State Test Value minus Margin of Error Percent)
Local Test Value: 268,980,661 (Within Confidence Interval)
State Upper Limit: 283,883,689 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 276,895,521 (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