taxes Property Tax Assistance

2020 Confidence Interval Detail

Travis County
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 115,121,689 0.7531 152,863,749 14 351 0.075256941
A 119,099,958 0.8226 144,784,778 16 196 0.084751446
A 116,376,708 0.8133 143,091,981 15 132 0.072800454
A 118,895,630 0.9069 131,101,147 15 68 0.013997731
C1 14,468,374 0.9077 15,939,599 13 293 0.114962293
C1 13,626,788 0.7968 17,101,893 9 112 0.293252064
C1 13,899,489 0.9116 15,247,355 11 54 0.090968435
C1 13,084,821 1.1314 11,565,159 10 26 0.134797247
E 69,120,123 0.8430 81,993,028 20 261 0.044686409
Random Totals: 593,693,580 713,688,689 123 1,493
CATG D1 EXCEPTION VALUES: 1,545,245 344,633
Total Test Values 595,238,825 714,033,322

Margin of Error

Margin of Error Percent: 5.1921709
Margin of Error Value: 36,840,183

Confidence Interval Values(5)

Local Test Value: 595,238,825 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 672,693,139 (State Test Value minus Margin of Error Percent)
State Upper Limit: 746,373,505 (State Test Value plus Margin of Error Percent)

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