taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
227/Travis
227-913/Lake Travis ISD

Category Summary

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

Stratum
Variance
A 1,454,645,611 0.9447 1,539,796,349 97 5,715 .008866497
A 1,843,888,142 0.9513 1,938,282,500 101 4,686 .018632775
A 1,879,179,625 0.9660 1,945,320,523 99 3,254 .007768613
A 1,846,731,298 0.9568 1,930,112,143 59 1,505 .009207268
C1 124,075,375 0.8252 150,357,944 26 2,871 .082792320
C1 104,313,062 0.9638 108,231,025 19 816 .028322820
C1 105,986,851 0.8247 128,515,643 22 367 .080634930
C1 113,277,785 0.9921 114,179,805 9 117 .003419411
F1 222,392,143 1.0140 219,321,640 10 290 .003350579
F1 222,330,598 0.9061 245,370,928 9 84 .012712108
F1 238,362,166 0.9541 249,829,332 7 31 .001887780
Random Totals: 8,155,182,656   8,569,317,832 458 19,736  
Catg D1 Exception Values: 1,533,396   623,045      
Catg F1 Exception Values: 159,805,578   170,929,375      
Total Test Values (4): 8,316,521,630   8,740,870,252      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 437,043,513

Confidence Interval Values (5)

State Lower Limit: 8,303,826,739 (State Test Value minus Margin of Error Percent)
Local Test Value: 8,316,521,630 (Within Confidence Interval)
State Upper Limit: 9,177,913,765 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 8,554,438,206 (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