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 0.8613 372,985,132 20 5,624 0.092474285
A 351,974,964 0.8482 414,966,946 20 4,184 0.067058251
A 410,173,448 0.8855 463,211,121 23 3,571 0.083113098
A 458,487,506 1.0123 452,916,631 24 2,368 0.066246975
B 37,450,132 0.9573 39,120,581 10 257 0.002312355
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 0.8205 239,476,943 15 1,075 0.069441511
F1 196,696,973 0.9185 214,150,216 15 416 0.051103748
F1 197,355,570 0.9089 217,136,726 15 154 0.024719598
F1 176,303,699 0.9312 189,329,574 9 11 0.048034381
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 3,001,384,958 218 19,089
CATG D1 EXCEPTION VALUES: 497 604
Total Test Values 2,726,375,910 3,001,385,562

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 150,069,278

Confidence Interval Values(5)

Local Test Value: 2,726,375,910 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 2,851,316,284 (State Test Value minus Margin of Error Percent)
State Upper Limit: 3,151,454,840 (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