taxes Property Tax Assistance

2016 Confidence Interval Detail

227/Travis
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 1,079,381,212 0.9682 1,114,832,898 165 4,190 .008131339
A 1,079,560,851 0.9619 1,122,321,292 107 2,737 .008314471
A 1,079,194,582 0.9553 1,129,691,806 63 2,234 .006208892
A 1,079,156,342 0.9618 1,122,017,407 79 1,696 .005608812
B 182,898,698 1.0025 182,442,592 10 199 .000278237
B 188,965,149 1.0028 188,437,524 3 7 .000455128
B 246,198,294 1.0227 240,733,640 4 7 .000041767
B 544,339,575 0.9807 555,052,080 2 7 .004993733
F1 367,234,132 1.0488 350,146,960 9 109 .011755925
F1 457,993,716 1.0174 450,160,916 8 41 .007919395
F1 485,843,668 1.0131 479,561,413 5 12 .000405475
L1 130,648,168 0.8622 151,528,842 11 253 .124288498
L1 83,723,862 0.9656 86,706,568 8 26 .013101546
L1 115,544,022 0.9812 117,757,870 5 12 .002050693
Random Totals: 7,120,682,271   7,291,391,808 479 11,530  
Catg D1 Exception Values: 189,036   117,711      
Catg F1 Exception Values: 332,133,258   326,725,552      
Catg L1 Exception Values: 95,985,298   81,724,885      
Total Test Values (4): 7,548,989,863   7,699,959,956      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 384,997,997

Confidence Interval Values (5)

State Lower Limit: 7,314,961,959 (State Test Value minus Margin of Error Percent)
Local Test Value: 7,548,989,863 (Within Confidence Interval)
State Upper Limit: 8,084,957,953 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 7,404,372,938 (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, D3, 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