taxes Property Tax Assistance

2018 Confidence Interval Detail

218/Sutton
218-901/Sonora ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 23,874,254 0.9905 24,103,235 17 457 0.016622588
A 22,814,070 0.9642 23,661,139 15 251 0.007277753
A 23,368,500 0.9592 24,362,490 15 173 0.011416881
A 23,650,320 0.9499 24,897,694 15 98 0.003933296
E 89,367,842 0.9511 93,962,614 20 834 0.024241444
F1 9,211,184 0.9542 9,653,305 9 104 0.006407610
F1 9,382,290 0.9520 9,855,347 8 37 0.016655382
F1 10,846,249 0.9526 11,385,943 4 8 0.000855415
G1 22,313,427 1.0072 22,153,919 14 2598 0.009749058
G1 22,316,018 0.9940 22,450,722 14 1227 0.016631414
G1 22,337,432 0.9572 23,336,222 14 540 0.035651076
G1 22,261,357 0.9903 22,479,407 13 194 0.018291252
Random Totals: 301,742,943 312,302,037 158 6,521
CATG D1 EXCEPTION VALUES: 31,622,130 28,589,416
CATG F1 EXCEPTION VALUES: 7,645,470 7,694,027
CATG J EXCEPTION VALUES: 5,857,010 7,951,057
Total Test Values(3) 346,867,553 356,536,537

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 17,826,827

Confidence Interval Values(5)

Local Test Value: 346,867,553 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 338,709,710 (State Test Value minus Margin of Error Percent)
State Upper Limit: 374,363,364 (State Test Value plus Margin of Error Percent)

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