taxes Property Tax Assistance

2019 Confidence Interval Detail

Smith County
212-909/Chapel Hill ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 182,891,725 0.9412 194,317,600 29 1960 0.019378020
A 205,896,277 0.9710 212,045,599 41 1088 0.007058295
A 202,541,159 0.9729 208,182,916 39 708 0.005597951
A 204,115,124 1.0365 196,927,278 22 402 0.009936396
B 28,682,581 0.9468 30,294,234 9 136 0.005618729
B 26,939,800 0.6926 38,895,580 3 4 0.055451567
E 217,801,476 1.0026 217,236,661 24 1925 0.017373645
F1 28,888,896 0.8761 32,974,428 9 149 0.056574029
F1 32,787,387 0.8877 36,935,211 8 48 0.023306295
F1 29,909,084 0.9994 29,927,040 6 11 0.000207736
L1 16,004,745 1.0901 14,681,905 10 154 0.035827688
L1 18,351,343 0.9963 18,419,495 9 35 0.008400098
L1 19,677,933 1.0084 19,514,015 5 11 0.001649631
L1 25,745,903 1.0764 23,918,327 2 3 0.033072575
Random Totals: 1,240,233,433 1,274,270,289 216 6,634
CATG B EXCEPTION VALUES: 25,902,540 38,563,847
CATG D1 EXCEPTION VALUES: 9,269,689 8,228,100
CATG F1 EXCEPTION VALUES: 22,828,921 23,189,641
Total Test Values(3) 1,298,234,583 1,344,251,877

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 67,212,594

Confidence Interval Values(5)

Local Test Value: 1,298,234,583 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 1,277,039,283 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,411,464,471 (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