taxes Property Tax Assistance

2021 Confidence Interval Detail

Starr County
214-901/Rio Grande City Grulla ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 140,771,740 0.6635 212,165,396 14 4,490 0.086027987
A 154,123,330 0.7748 198,920,147 15 2,783 0.084169347
A 160,588,740 0.7957 201,820,711 17 1,705 0.068424899
A 168,980,040 0.7812 216,308,295 14 998 0.053458930
C1 15,674,851 0.6635 23,624,493 13 1,704 0.125131389
C1 15,503,170 0.9517 16,289,976 10 910 0.124271920
C1 16,354,779 0.9262 17,657,935 13 598 0.053750861
C1 31,606,550 0.8891 35,548,926 11 358 0.020614366
E 82,472,134 0.5971 138,121,142 13 4,363 0.466962663
F1 37,762,509 0.9567 39,471,631 16 391 0.010386777
F1 59,301,844 0.9720 61,010,128 15 211 0.015594981
F1 64,595,360 0.9466 68,239,341 15 81 0.037726027
F1 44,281,820 0.8278 53,493,380 9 13 0.089074012
G1 24,028,422 1.1837 20,299,419 10 185 0.153361675
G1 24,187,153 1.0703 22,598,480 9 64 0.108253997
G1 23,952,639 1.0346 23,151,594 8 33 0.077310141
G1 23,363,424 1.0372 22,525,476 6 15 0.015872520
Random Totals: 1,087,548,505 1,371,246,470 208 18,902
CATG D1 EXCEPTION VALUES: 7,470,130 9,608,666
CATG J EXCEPTION VALUES: 54,388,916 55,709,626
Total Test Values 1,149,407,551 1,436,564,762

Margin of Error

Margin of Error Percent: 5.4046938
Margin of Error Value: 77,641,927

Confidence Interval Values(5)

Local Test Value: 1,149,407,551 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 1,358,922,835 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,514,206,689 (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