taxes Property Tax Assistance

2022 Confidence Interval Detail

Webb County
240-904/Webb CISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 4,371,015 0.9352 4,673,883 10 180 0.025487138
A 5,894,170 0.9641 6,113,650 10 110 0.054156425
A 6,395,497 1.0292 6,214,047 9 73 0.019222263
A 9,985,655 1.0618 9,404,459 8 59 0.077204297
E 69,108,098 0.9054 76,328,803 20 995 0.083174630
G1 67,332,776 1.0201 66,006,054 15 352 0.000521367
G1 67,127,989 1.0135 66,233,832 15 150 0.000342378
G1 67,316,363 1.0187 66,080,655 15 87 0.000192498
G1 66,559,969 1.0192 65,306,092 15 43 0.000503523
Random Totals: 364,091,532 366,361,475 117 2,049
CATG D1 EXCEPTION VALUES: 27,771,757 40,253,875
CATG J EXCEPTION VALUES: 13,803,250 12,452,347
Total Test Values 405,666,539 419,067,697

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 20,953,385

Confidence Interval Values(5)

Local Test Value: 405,666,539 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 398,114,312 (State Test Value minus Margin of Error Percent)
State Upper Limit: 440,021,082 (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