taxes Property Tax Assistance

2020 Confidence Interval Detail

Zavala County
254-901/Crystal City ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 27,377,070 0.9490 28,848,335 10 835 0.048379037
A 27,790,758 0.8200 33,891,168 10 535 0.169375465
A 29,540,040 0.9710 30,422,286 10 398 0.012722438
A 29,154,380 0.9409 30,985,631 10 205 0.020863789
G1 111,047,728 1.0051 110,484,258 9 71 0.000930580
G1 112,571,413 1.0297 109,324,476 8 25 0.001561730
G1 121,424,888 0.9955 121,973,770 5 10 0.000465806
Random Totals: 458,906,277 465,929,924 62 2,079
CATG D1 EXCEPTION VALUES: 41,757,321 37,269,541
CATG G1 EXCEPTION VALUES: 239,666,790 240,990,447
CATG J EXCEPTION VALUES: 24,601,097 27,797,592
Total Test Values 764,931,485 771,987,504

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 38,599,375

Confidence Interval Values(5)

Local Test Value: 764,931,485 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 733,388,129 (State Test Value minus Margin of Error Percent)
State Upper Limit: 810,586,879 (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