taxes Property Tax Assistance

2021 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 75,042,562 0.6621 113,340,224 14 2,508 0.157319161
A 79,726,760 0.7400 107,738,865 16 1,618 0.054932892
A 81,821,510 0.7363 111,125,234 18 1,145 0.073724609
A 87,373,940 0.7056 123,829,280 17 724 0.021784105
C1 5,945,391 0.8262 7,196,068 15 730 0.035159425
C1 5,648,720 0.9321 6,060,208 15 400 0.173726933
C1 6,851,750 1.1151 6,144,516 15 301 0.038642129
C1 6,950,470 1.1133 6,243,124 15 140 0.014355503
E 55,836,513 0.6419 86,986,311 20 3,472 0.348650201
F1 12,547,642 0.7633 16,438,677 17 225 0.094288397
F1 13,205,120 0.8138 16,226,493 16 108 0.021731487
F1 12,459,230 0.7276 17,123,736 17 48 0.096647192
F1 13,065,630 0.8501 15,369,521 16 20 0.057668303
Random Totals: 456,475,238 633,822,257 211 11,439
CATG D1 EXCEPTION VALUES: 3,622,036 5,206,822
CATG J EXCEPTION VALUES: 28,712,661 29,429,557
Total Test Values 488,809,935 668,458,636

Margin of Error

Margin of Error Percent: 5.7660240
Margin of Error Value: 38,543,485

Confidence Interval Values(5)

Local Test Value: 488,809,935 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 629,915,151 (State Test Value minus Margin of Error Percent)
State Upper Limit: 707,002,121 (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