taxes Property Tax Assistance

2019 Confidence Interval Detail

Starr County
214-901/Rio Grande City CISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 124,876,288 0.7212 173,150,704 14 4538 0.182934889
A 130,605,579 0.6588 198,247,691 16 2606 0.063604210
A 131,238,852 0.8494 154,507,714 17 1485 0.056243866
A 136,988,521 0.8428 162,539,773 19 863 0.013976249
C1 17,369,131 0.6671 26,036,773 12 2457 0.068439093
C1 15,598,399 0.7109 21,941,763 17 1267 0.146229271
C1 18,990,166 0.8663 21,921,004 19 772 0.037761364
C1 18,397,630 1.0571 17,403,869 16 254 0.029550087
F1 32,339,933 0.8799 36,754,100 14 361 0.034162207
F1 30,918,599 0.9733 31,766,772 13 108 0.026074719
F1 33,529,380 0.9953 33,687,712 13 46 0.026896948
F1 30,371,890 0.9284 32,714,229 5 8 0.047858541
G1 45,739,322 0.9661 47,344,294 10 186 0.018361413
G1 46,207,691 1.0147 45,538,278 9 74 0.003422419
G1 45,810,490 1.0058 45,546,321 9 42 0.000306376
G1 44,885,442 0.9982 44,966,381 7 18 0.000719922
Random Totals: 903,867,313 1,094,067,378 210 15,085
CATG D1 EXCEPTION VALUES: 30,209,832 32,805,923
CATG J EXCEPTION VALUES: 47,374,447 45,878,492
Total Test Values(2) 981,451,592 1,172,751,793

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 58,637,590

Confidence Interval Values(5)

Local Test Value: 981,451,592 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 1,114,114,203 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,231,389,383 (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