taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
227/Travis
227-912/Lago Vista ISD

Category Summary

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

Stratum
Variance
A 236,519,859 0.9603 246,297,885 31 1,593 .004275658
A 346,662,251 0.9030 383,900,610 42 1,507 .018489312
A 286,646,284 0.8935 320,812,853 38 747 .015924453
A 290,375,079 0.9358 310,296,088 15 286 .004960481
C1 38,508,713 0.6690 57,561,604 27 4,228 .269044510
C1 53,320,985 0.8533 62,487,970 30 1,351 .139417533
C1 39,749,885 0.8783 45,257,754 12 274 .026889972
C1 44,965,596 0.9415 47,759,528 11 118 .051080189
Random Totals: 1,336,748,652   1,474,374,292 206 10,104  
Catg D1 Exception Values: 229,711   112,020      
Total Test Values (4): 1,336,978,363   1,474,486,312      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 73,724,316

Confidence Interval Values (5)

Local Test Value: 1,336,978,363 (Outside Confidence Interval)
State Lower Limit: 1,400,761,996 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,548,210,628 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,347,521,975 (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