taxes Property Tax Assistance

2021 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 97,036,578 0.8428 115,135,949 15 295 0.079997004
A 106,722,299 0.9610 111,053,381 15 172 0.044799951
A 216,166,742 1.0109 213,835,930 17 237 0.074391533
A 167,127,569 1.0883 153,567,554 13 96 0.043669512
C1 13,632,618 0.5572 24,466,292 35 257 0.252087078
C1 16,457,198 0.8095 20,330,078 13 139 0.262859896
C1 13,120,628 0.8525 15,390,766 13 51 0.107669420
C1 15,828,658 0.9257 17,099,123 11 31 0.345709651
E 81,209,582 0.8285 98,020,014 20 266 0.424020678
Random Totals: 727,301,872 768,899,087 152 1,544
CATG D1 EXCEPTION VALUES: 1,562,558 386,150
Total Test Values 728,864,430 769,285,237

Margin of Error

Margin of Error Percent: 6.0401140
Margin of Error Value: 46,465,705

Confidence Interval Values(5)

Local Test Value: 728,864,430 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 722,819,532 (State Test Value minus Margin of Error Percent)
State Upper Limit: 815,750,942 (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