taxes Property Tax Assistance

2021 Confidence Interval Detail

Delta County
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 18,528,160 0.7990 23,189,186 16 438 0.046418226
A 21,436,060 0.8390 25,549,535 17 281 0.080790669
A 31,032,010 0.9835 31,552,628 19 266 0.025913815
A 32,975,810 1.0457 31,534,675 20 153 0.013590916
E 112,684,435 0.9227 122,124,672 24 1,154 0.078537604
Random Totals: 216,656,475 233,950,696 96 2,292
CATG D1 EXCEPTION VALUES: 21,982,780 18,925,919
CATG J EXCEPTION VALUES: 2,188,180 2,437,103
Total Test Values 240,827,435 255,313,718

Margin of Error

Margin of Error Percent: 5.7165059
Margin of Error Value: 14,595,024

Confidence Interval Values(5)

Local Test Value: 240,827,435 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 240,718,694 (State Test Value minus Margin of Error Percent)
State Upper Limit: 269,908,742 (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