taxes Property Tax Assistance

2020 Confidence Interval Detail

Nueces County
178-909/Robstown ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 73,312,981 0.8928 82,115,794 9 1,606 0.199687591
A 71,655,481 0.9796 73,147,694 8 995 0.172105427
A 74,751,118 0.7929 94,275,593 19 678 0.089547594
A 74,119,870 0.8779 84,428,602 9 367 0.087928309
F1 26,981,356 0.9145 29,503,943 9 167 0.008199612
F1 28,244,154 0.7856 35,952,335 11 48 0.123543993
F1 24,410,089 0.9127 26,744,921 7 17 0.011133596
L1 33,136,944 0.9918 33,410,913 10 92 0.002011833
L1 38,035,250 1.0188 37,333,382 6 15 0.133361189
L1 24,481,045 1.3138 18,633,605 1 2 0.000000000
Random Totals: 469,128,288 515,546,782 89 3,987
CATG D1 EXCEPTION VALUES: 17,523,466 18,627,205
CATG F1 EXCEPTION VALUES: 19,429,467 19,376,534
CATG J EXCEPTION VALUES: 7,492,760 8,410,132
CATG L1 EXCEPTION VALUES: 27,034,732 26,315,552
Total Test Values 540,608,713 588,276,205

Margin of Error

Margin of Error Percent: 6.7911667
Margin of Error Value: 39,950,818

Confidence Interval Values(5)

Local Test Value: 540,608,713 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 548,325,387 (State Test Value minus Margin of Error Percent)
State Upper Limit: 628,227,023 (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