taxes Property Tax Assistance

2018 Confidence Interval Detail

227/Travis
227-910/Del Valle ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 293,456,506 0.8783 334,118,759 51 2360 0.020002827
A 568,925,010 0.9687 587,307,742 124 3358 0.007985027
A 683,804,763 0.9801 697,688,770 125 3332 0.022754573
A 826,997,233 1.0161 813,893,547 137 2769 0.007687754
B 122,472,127 0.8613 142,194,505 6 16 0.026150639
B 158,647,346 0.9723 163,167,074 5 7 0.000162056
B 181,078,067 0.9791 184,943,384 3 5 0.000136277
F1 361,209,450 0.9514 379,660,973 10 227 0.004115462
F1 357,162,944 0.9676 369,122,513 8 52 0.000502848
F1 564,846,480 0.9774 577,907,182 7 35 0.000218805
F1 543,829,088 0.9618 565,428,455 4 13 0.000488718
L1 213,247,882 1.0481 203,461,389 11 303 0.003448473
L1 195,813,436 0.9568 204,654,511 11 59 0.015573189
L1 235,086,275 0.9992 235,274,495 8 27 0.002147781
L1 267,006,063 0.9692 275,491,192 5 10 0.001978834
Random Totals: 5,573,582,670 5,734,314,491 515 12,573
CATG B EXCEPTION VALUES: 141,600,000 145,658,295
CATG D1 EXCEPTION VALUES: 7,252,066 7,829,747
Total Test Values(2) 5,722,434,736 5,887,802,533

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 294,390,127

Confidence Interval Values(5)

Local Test Value: 5,722,434,736 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 5,593,412,406 (State Test Value minus Margin of Error Percent)
State Upper Limit: 6,182,192,660 (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