taxes Property Tax Assistance

2018 Confidence Interval Detail

060/Delta
060-902/Cooper ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 15,883,227 0.8634 18,396,140 16 447 0.049196664
A 17,971,490 0.8493 21,160,356 15 298 0.086399969
A 20,914,680 1.0361 20,185,967 15 228 0.035540321
A 23,282,720 1.0611 21,942,060 15 136 0.024668221
E 76,547,940 0.9432 81,157,697 29 1103 0.035237917
Random Totals: 154,600,057 162,842,220 90 2,212
CATG D1 EXCEPTION VALUES: 14,896,770 17,686,556
CATG J EXCEPTION VALUES: 16,399,240 17,418,508
Total Test Values(2) 185,896,067 197,947,284

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 9,897,364

Confidence Interval Values(5)

Local Test Value: 185,896,067 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 188,049,920 (State Test Value minus Margin of Error Percent)
State Upper Limit: 207,844,648 (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