taxes Property Tax Assistance

2019 Confidence Interval Detail

Starr County
214-903/Roma ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 70,148,711 0.6936 101,137,127 16 2614 0.048278778
A 72,376,523 0.8057 89,830,611 14 1560 0.034380059
A 72,193,222 0.7187 100,449,731 15 1059 0.101077180
A 73,941,664 0.8345 88,605,948 15 638 0.032591587
C1 8,392,235 0.7467 11,239,099 15 1188 0.078966875
C1 6,711,261 0.7657 8,764,870 14 678 0.079819876
C1 9,011,971 0.9280 9,711,176 17 461 0.081510588
C1 8,319,010 0.8134 10,227,453 16 127 0.101171289
E 28,186,051 0.5880 47,935,461 11 2068 0.113833340
F1 11,284,798 0.9257 12,190,556 15 217 0.023290669
F1 11,519,690 0.8819 13,062,354 15 101 0.067254329
F1 10,151,710 0.8908 11,396,172 15 41 0.062277039
F1 12,598,050 0.9007 13,986,955 11 21 0.119379702
G1 9,935,944 1.0049 9,887,495 8 60 0.010919633
G1 9,754,937 1.0030 9,725,760 5 15 0.000012614
G1 10,238,283 1.0058 10,179,243 5 8 0.000020057
G1 9,005,227 1.0113 8,904,605 3 4 0.000203574
Random Totals: 433,769,287 557,234,616 210 10,860
CATG D1 EXCEPTION VALUES: 23,688,107 29,862,133
CATG J EXCEPTION VALUES: 24,166,289 23,505,383
Total Test Values(2) 481,623,683 610,602,132

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 30,530,107

Confidence Interval Values(5)

Local Test Value: 481,623,683 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 580,072,025 (State Test Value minus Margin of Error Percent)
State Upper Limit: 641,132,239 (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