taxes Property Tax Assistance

2020 Confidence Interval Detail

Travis County
246-909/Round Rock ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 1,283,787,178 0.9235 1,390,132,299 24 4,182 0.007110386
A 1,271,837,860 0.8960 1,419,461,897 16 2,931 0.007324535
A 1,267,360,197 0.8847 1,432,531,024 15 2,348 0.009947410
A 1,249,593,432 0.9347 1,336,892,513 16 1,776 0.009061988
B 212,413,512 1.0308 206,066,659 9 59 0.000565115
B 302,966,407 0.9409 321,996,394 6 9 0.026924179
B 396,314,190 0.9846 402,512,888 5 8 0.004776648
B 404,527,552 0.9837 411,230,611 4 6 0.001485377
F1 454,018,537 0.9998 454,109,359 10 110 0.004919209
F1 609,741,214 1.0253 594,695,420 8 46 0.003755709
F1 524,153,182 0.9753 537,427,645 8 15 0.004568458
F1 1,022,631,622 1.0246 998,078,882 4 8 0.000414990
L1 121,024,891 0.9891 122,358,600 12 243 0.004085643
L1 119,129,667 0.9834 121,140,601 9 40 0.002801429
L1 97,912,612 0.9919 98,712,181 6 11 0.001741968
L1 107,660,416 1.0088 106,723,101 3 6 0.005523840
Random Totals: 9,445,072,469 9,954,070,074 155 11,798
CATG D1 EXCEPTION VALUES: 155,643 62,782
Total Test Values 9,445,228,112 9,954,132,856

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 497,706,643

Confidence Interval Values(5)

Local Test Value: 9,445,228,112 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 9,456,426,213 (State Test Value minus Margin of Error Percent)
State Upper Limit: 10,451,839,499 (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