taxes Property Tax Assistance

2018 Confidence Interval Detail

049/Cooke
049-909/Sivells Bend ISD

Category Summary

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

Stratum
Variance
A 20,569,514 0.9735 21,129,444 15 139 0.055431786
A 18,321,508 0.9025 20,300,840 16 62 0.043846375
A 24,560,291 0.9359 26,242,431 14 59 0.014529300
A 23,265,806 1.0226 22,751,619 10 32 0.005778493
E 14,184,354 0.9033 15,702,816 13 161 0.009201216
G1 6,410,600 0.9505 6,744,450 7 26 0.003962463
Random Totals: 107,312,073 112,871,600 75 479
CATG D1 EXCEPTION VALUES: 3,619,772 2,403,211
CATG G1 EXCEPTION VALUES: 3,899,930 3,993,472
CATG J EXCEPTION VALUES: 2,835,700 3,044,185
Total Test Values(3) 117,667,475 122,312,468

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,115,623

Confidence Interval Values(5)

Local Test Value: 117,667,475 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 116,196,845 (State Test Value minus Margin of Error Percent)
State Upper Limit: 128,428,091 (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