taxes Property Tax Assistance

2021 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 321,252,094 1.0002 321,187,856 11 5,624 0.108631952
A 351,974,964 0.9716 362,263,240 14 4,184 0.046196121
A 410,173,448 0.9418 435,520,756 19 3,571 0.074164275
A 458,487,506 1.0651 430,464,281 20 2,368 0.060941872
B 37,450,132 0.9775 38,312,155 10 257 0.006266882
B 80,925,405 0.8906 90,866,163 10 330 0.046711934
B 57,790,144 0.9566 60,412,026 10 131 0.007878835
B 54,161,434 0.9040 59,913,091 9 55 0.038744231
F1 196,490,832 0.8932 219,985,258 15 1,075 0.063415242
F1 196,696,973 0.9244 212,783,398 15 416 0.052456801
F1 197,355,570 0.9584 205,921,922 15 154 0.018295721
F1 176,303,699 0.9327 189,025,087 9 11 0.046403562
L1 48,883,527 0.9968 49,040,456 10 710 0.014589895
L1 51,660,832 0.9641 53,584,516 12 159 0.006593261
L1 42,564,707 0.9769 43,571,202 11 37 0.007916099
L1 44,204,146 1.0860 40,703,634 5 7 0.015289042
Random Totals: 2,726,375,413 2,813,555,041 195 19,089
CATG D1 EXCEPTION VALUES: 497 604
Total Test Values 2,726,375,910 2,813,555,645

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 140,677,782

Confidence Interval Values(5)

Local Test Value: 2,726,375,910 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 2,672,877,863 (State Test Value minus Margin of Error Percent)
State Upper Limit: 2,954,233,427 (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