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 0.6337 197,059,000 15 4538 0.179468666
A 130,605,579 0.6424 203,308,809 16 2606 0.063452622
A 131,238,852 0.8421 155,847,111 17 1485 0.058377871
A 136,988,521 0.8428 162,539,773 19 863 0.013976249
C1 17,369,131 0.5266 32,983,538 15 2457 0.183969999
C1 15,598,399 0.6917 22,550,815 17 1267 0.138179236
C1 18,990,166 0.8393 22,626,196 19 772 0.048871434
C1 18,397,630 0.9915 18,555,350 16 254 0.028068926
F1 32,339,933 0.8274 39,086,213 15 361 0.045811226
F1 30,918,599 0.8162 37,881,155 14 108 0.268966115
F1 33,529,380 0.9658 34,716,691 13 46 0.043958173
F1 30,371,890 0.9228 32,912,755 5 8 0.053793742
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 1,143,462,680 216 15,085
CATG D1 EXCEPTION VALUES: 31,031,853 38,295,413
CATG J EXCEPTION VALUES: 47,374,447 45,878,492
Total Test Values(2) 982,273,613 1,227,636,585

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 61,381,829

Confidence Interval Values(5)

Local Test Value: 982,273,613 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 1,166,254,756 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,289,018,414 (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