taxes Property Tax Assistance

2023 Confidence Interval Detail

Webb County
240-901/Laredo ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 387,328,891 0.9415 411,395,529 38 5,447 0.043082146
A 464,464,868 0.9900 469,156,432 23 4,393 0.056608090
A 580,895,825 0.9852 589,622,234 33 3,958 0.032649115
A 585,832,773 1.0083 581,010,387 30 2,375 0.022053314
B 58,558,863 0.9156 63,956,818 13 313 0.041890689
B 87,976,996 1.0133 86,822,260 14 286 0.020440063
B 80,844,836 0.9242 87,475,477 17 151 0.041165342
B 90,565,321 0.9158 98,892,030 12 80 0.103539467
F1 229,283,768 1.0509 218,178,483 13 1,041 0.050843186
F1 246,063,913 0.9628 255,571,160 12 447 0.015447054
F1 269,218,092 0.8256 326,087,805 13 183 0.129061370
F1 197,626,887 0.9271 213,166,743 9 10 0.051923264
L1 44,101,597 0.9826 44,882,553 10 707 0.017082539
L1 50,685,390 0.9854 51,436,361 10 170 0.011269946
L1 48,596,899 0.9884 49,167,239 10 54 0.003777755
L1 53,267,630 0.9781 54,460,311 5 11 0.004552889
Random Totals: 3,475,312,549 3,601,281,822 262 19,626
CATG D1 EXCEPTION VALUES: 499 684
Total Test Values 3,475,313,048 3,601,282,506

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 180,064,125

Confidence Interval Values(5)

Local Test Value: 3,475,313,048 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 3,421,218,381 (State Test Value minus Margin of Error Percent)
State Upper Limit: 3,781,346,631 (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