taxes Property Tax Assistance

2018 Confidence Interval Detail

227/Travis
027-904/Marble Falls ISD

Category Summary

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

Stratum
Variance
A 105,874,616 0.9469 111,811,824 16 368 .012592717
A 114,650,278 0.9734 117,783,314 16 196 .003547113
A 117,426,742 1.0239 114,685,753 10 135 .025539335
A 128,086,193 0.8537 150,036,539 14 71 .010609886
C1 15,376,364 0.8781 17,510,949 21 342 .080448823
C1 9,436,796 1.0326 9,138,869 11 88 .078604678
C1 6,682,435 0.9914 6,740,402 10 36 .065558089
C1 26,292,054 1.0602 24,799,145 8 68 .071182887
E 58,077,372 0.9506 61,095,489 19 250 .071986919
Random Totals: 581,902,850   613,602,284 125 1,554  
Catg D1 Exception Values: 1,502,948   464,497      
Total Test Values (4): 583,405,798   614,066,781      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 30,703,339

Confidence Interval Values (5)

State Lower Limit: 583,363,442 (State Test Value minus Margin of Error Percent)
Local Test Value: 583,405,798 (Within Confidence Interval)
State Upper Limit: 644,770,120 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 566,853,722 (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