taxes Property Tax Assistance

2021 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 1,009,105,487 0.9515 1,060,541,762 112 3,157 0.007957320
A 1,345,744,880 0.9452 1,423,767,330 102 3,123 0.018877384
A 1,205,697,797 0.9159 1,316,407,683 90 2,219 0.018364449
A 2,716,044,189 0.9257 2,934,043,631 120 3,747 0.022028122
B 327,962,204 0.9335 351,325,339 9 196 0.017397662
B 372,974,154 0.9550 390,548,852 5 10 0.008236281
B 366,260,000 0.9769 374,920,667 5 7 0.002872247
B 355,106,725 0.9877 359,528,931 3 5 0.003044102
F1 625,514,949 0.9449 661,990,633 11 113 0.018733655
F1 615,934,951 0.9418 653,997,612 10 35 0.022856237
F1 774,651,085 0.9419 822,434,531 9 14 0.003602091
L1 126,347,372 0.9821 128,650,211 10 218 0.004454968
L1 124,756,977 0.9349 133,444,194 11 35 0.011333561
L1 102,799,142 1.0084 101,942,822 6 8 0.001702964
Random Totals: 10,068,899,912 10,713,544,198 503 12,887
CATG D1 EXCEPTION VALUES: 167,982 49,511
CATG F1 EXCEPTION VALUES: 567,113,000 526,673,594
CATG L1 EXCEPTION VALUES: 87,742,382 87,624,100
Total Test Values 10,723,923,276 11,327,891,403

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 566,394,570

Confidence Interval Values(5)

Local Test Value: 10,723,923,276 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 10,761,496,833 (State Test Value minus Margin of Error Percent)
State Upper Limit: 11,894,285,973 (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