taxes Property Tax Assistance

2018 Confidence Interval Detail

227/Travis
227-901/Austin ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 14,180,086,530 0.9589 14,787,867,901 846 54,602 .022089258
A 17,122,194,081 0.9631 17,778,210,031 923 46,124 .022855169
A 16,607,685,407 0.9566 17,361,159,740 876 30,860 .019351142
A 17,910,386,817 0.9532 18,789,746,975 784 16,743 .044514635
B 5,778,384,687 0.9730 5,938,730,408 186 8,257 .011835247
B 5,375,882,304 0.9641 5,576,062,964 10 228 .000962635
B 5,009,153,563 0.9817 5,102,529,859 9 103 .001475613
B 6,056,072,829 0.9735 6,220,927,405 8 71 .000362734
C1 318,682,623 0.8285 384,650,118 43 1,746 .091585365
C1 355,316,320 0.8361 424,968,688 19 719 .034243976
C1 389,230,961 0.9548 407,657,060 10 266 .041622331
C1 315,619,861 0.8522 370,358,908 8 41 .147914095
E 264,291,392 0.8978 294,376,690 15 761 .113146709
F1 8,254,560,970 0.9610 8,589,553,559 17 4,623 .011813632
F1 8,163,385,175 0.9560 8,539,105,832 10 913 .001307764
F1 8,449,000,095 0.9482 8,910,567,491 10 260 .001278837
F1 8,903,674,520 0.9682 9,196,110,845 8 65 .001013455
L1 926,796,331 1.0788 859,099,306 11 6,971 .055097267
L1 954,048,315 0.9816 971,931,861 11 1,390 .002727998
L1 952,348,673 1.0549 902,785,736 11 376 .013057405
L1 935,196,907 1.0200 916,859,713 10 90 .004636191
Random Totals: 127,221,998,361   132,323,261,090 3,825 175,209  
Catg J Exception Values: 4,344,159   4,652,139      
Catg D1 Exception Values: 1,489,121   854,101      
Total Test Values (4): 127,227,831,641   132,328,767,330      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,616,438,366

Confidence Interval Values (5)

State Lower Limit: 125,712,328,964 (State Test Value minus Margin of Error Percent)
Local Test Value: 127,227,831,641 (Within Confidence Interval)
State Upper Limit: 138,945,205,696 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 121,722,822,653 (See ISD Summary Worksheet)

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
(6) Includes local value of unstudied property categories and sub-categories