taxes Property Tax Assistance

2021 Confidence Interval Detail

Potter County
188-901/Amarillo ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 716,817,920 0.8515 841,829,618 74 11,190 0.037865746
A 748,932,973 0.8772 853,776,759 75 6,793 0.017697233
A 764,102,822 0.8982 850,704,545 75 4,098 0.035044711
A 768,693,166 0.9711 791,569,525 74 1,834 0.025629926
F1 306,024,038 1.0075 303,745,943 10 1,502 0.003533128
F1 320,497,192 0.9799 327,071,326 10 334 0.006509835
F1 285,108,533 1.0212 279,189,711 10 96 0.002584080
F1 345,911,765 1.1049 313,070,653 8 30 0.009317434
L1 159,730,810 1.0015 159,491,573 11 1,101 0.004723851
L1 170,559,650 1.0031 170,032,549 10 216 0.000668224
L1 152,111,832 0.9810 155,057,933 10 50 0.009875068
L1 135,043,226 0.9515 141,926,669 7 15 0.002860951
Random Totals: 4,873,533,927 5,187,466,804 374 27,259
CATG D1 EXCEPTION VALUES: 242,923 242,409
CATG J EXCEPTION VALUES: 149,904,900 172,561,019
Total Test Values 5,023,681,750 5,360,270,232

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 268,013,512

Confidence Interval Values(5)

Local Test Value: 5,023,681,750 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 5,092,256,720 (State Test Value minus Margin of Error Percent)
State Upper Limit: 5,628,283,744 (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