taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 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 735,338,677 0.9552 769,826,923 82 3,950 .008485537
A 507,987,852 0.9673 525,160,604 27 1,870 .010745816
A 1,040,680,321 0.9359 1,111,956,749 54 2,948 .013272957
A 1,259,884,715 0.9373 1,344,163,784 71 2,542 .008760570
B 124,084,655 0.8523 145,588,003 9 166 .003962345
B 107,630,752 0.9639 111,661,741 3 5 .009592410
B 180,592,120 0.9724 185,717,935 4 7 .002701186
B 249,859,658 0.9462 264,066,432 2 6 .013939771
F1 223,619,795 0.9385 238,273,623 9 112 .082440910
F1 248,615,428 1.0146 245,037,875 8 40 .017418983
F1 263,112,288 1.0227 257,272,209 6 15 .029115266
L1 74,205,080 1.0034 73,953,638 10 259 .007609150
L1 98,081,641 1.0230 95,876,482 8 49 .004516471
L1 120,149,574 1.0482 114,624,665 6 17 .002274248
L1 57,416,365 1.0416 55,123,238 2 2 .001165802
Random Totals: 5,291,258,921   5,538,303,901 301 11,988  
Catg D1 Exception Values: 202,850   118,634      
Catg F1 Exception Values: 221,942,595   221,192,225      
Total Test Values (4): 5,513,404,366   5,759,614,760      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 287,980,738

Confidence Interval Values (5)

State Lower Limit: 5,471,634,022 (State Test Value minus Margin of Error Percent)
Local Test Value: 5,513,404,366 (Within Confidence Interval)
State Upper Limit: 6,047,595,498 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 6,185,449,380 (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