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 0.9200 1,395,420,846 25 4,182 0.007222602
A 1,271,837,860 0.8960 1,419,461,897 16 2,931 0.007324535
A 1,267,360,197 0.8844 1,433,016,957 15 2,348 0.009895227
A 1,249,593,432 0.9336 1,338,467,686 16 1,776 0.009135037
B 212,413,512 1.0304 206,146,654 9 59 0.000638616
B 302,966,407 0.9409 321,996,394 6 9 0.026924179
B 396,314,190 0.9792 404,732,629 5 8 0.004422421
B 404,527,552 0.9738 415,411,329 4 6 0.001260432
F1 454,018,537 0.9884 459,346,962 10 110 0.003186039
F1 609,741,214 1.0200 597,785,504 8 46 0.004877769
F1 524,153,182 0.9605 545,708,675 8 15 0.006901899
F1 1,022,631,622 0.9530 1,073,065,710 4 8 0.000283677
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 10,059,495,726 156 11,798
CATG D1 EXCEPTION VALUES: 155,643 62,782
Total Test Values 9,445,228,112 10,059,558,508

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 502,977,925

Confidence Interval Values(5)

Local Test Value: 9,445,228,112 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 9,556,580,583 (State Test Value minus Margin of Error Percent)
State Upper Limit: 10,562,536,433 (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