taxes Property Tax Assistance

2018 Confidence Interval Detail

008/Austin
008-902/Sealy ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 147,995,264 0.9243 160,116,049 27 1257 0.019916970
A 137,261,524 1.0052 136,551,456 33 727 0.005344848
A 162,464,889 1.0343 157,077,143 35 614 0.018691112
A 185,125,167 1.0534 175,740,618 20 457 0.045358918
E 233,935,507 0.8715 268,428,579 22 1424 0.057766372
F1 33,648,184 0.7482 44,972,179 10 156 0.149005738
F1 32,252,013 0.9377 34,394,810 9 58 0.016375495
F1 34,787,094 0.8597 40,464,225 8 32 0.112073935
F1 37,666,319 0.9780 38,513,619 5 10 0.098949889
Random Totals: 1,005,135,961 1,056,258,678 169 4,735
CATG D1 EXCEPTION VALUES: 10,855,318 10,651,007
CATG J EXCEPTION VALUES: 26,199,780 27,190,088
Total Test Values(2) 1,042,191,059 1,094,099,773

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 54,704,989

Confidence Interval Values(5)

Local Test Value: 1,042,191,059 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 1,039,394,784 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,148,804,762 (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