taxes Property Tax Assistance

2018 Confidence Interval Detail

227/Travis
227-907/Manor ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 423,730,560 0.9456 448,107,614 98 2664 0.009103602
A 583,421,433 0.9904 589,076,568 158 2960 0.005429721
A 692,389,525 1.0009 691,766,935 141 3030 0.006980788
A 913,712,682 1.0423 876,631,183 163 3220 0.008226293
B 44,314,343 0.9424 47,022,860 4 6 0.001620824
F1 245,814,628 0.9327 263,551,654 9 162 0.009560789
F1 248,947,929 0.9564 260,296,873 8 51 0.001494337
F1 201,811,405 0.9788 206,182,473 7 23 0.000144566
F1 296,032,103 0.9771 302,970,119 5 15 0.000244181
L1 91,700,214 0.8861 103,487,433 11 297 0.176796485
L1 116,023,722 1.0833 107,102,116 11 81 0.012758339
L1 61,440,710 1.0776 57,016,249 7 12 0.024005504
L1 167,451,388 1.0741 155,899,253 4 10 0.008496628
Random Totals: 4,086,790,642 4,109,111,330 626 12,531
CATG B EXCEPTION VALUES: 168,130,000 171,522,546
CATG D1 EXCEPTION VALUES: 3,917,259 3,843,729
Total Test Values(2) 4,258,837,901 4,284,477,605

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 214,223,880

Confidence Interval Values(5)

Local Test Value: 4,258,837,901 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 4,070,253,725 (State Test Value minus Margin of Error Percent)
State Upper Limit: 4,498,701,485 (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