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 0.8622 831,382,417 73 11,190 0.037256550
A 748,932,973 0.8892 842,254,805 74 6,793 0.018000643
A 764,102,822 0.9120 837,832,042 71 4,098 0.027283011
A 768,693,166 0.9863 779,370,542 74 1,834 0.025511344
F1 306,024,038 1.0130 302,096,780 9 1,502 0.003597880
F1 320,497,192 0.9955 321,945,949 7 334 0.009184580
F1 285,108,533 1.0212 279,189,711 10 96 0.002584080
F1 345,911,765 1.1284 306,550,660 7 30 0.006030803
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 5,127,131,630 363 27,259
CATG D1 EXCEPTION VALUES: 242,923 242,409
CATG J EXCEPTION VALUES: 149,904,900 158,051,396
Total Test Values 5,023,681,750 5,285,425,435

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 264,271,272

Confidence Interval Values(5)

Local Test Value: 5,023,681,750 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 5,021,154,163 (State Test Value minus Margin of Error Percent)
State Upper Limit: 5,549,696,707 (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