taxes Property Tax Assistance

2019 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 17,617,450 0.9209 19,130,687 15 458 0.034293544
A 18,663,840 0.8995 20,749,127 18 276 0.035578937
A 23,008,450 0.9460 24,321,829 19 224 0.028388784
A 23,050,120 1.0349 22,272,799 18 120 0.013328485
E 89,515,630 0.9761 91,707,438 29 1113 0.024418741
Random Totals: 171,855,490 178,181,880 99 2,191
CATG D1 EXCEPTION VALUES: 17,293,890 19,727,870
CATG J EXCEPTION VALUES: 809,210 1,456,926
Total Test Values(2) 189,958,590 199,366,676

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 9,968,334

Confidence Interval Values(5)

Local Test Value: 189,958,590 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 189,398,342 (State Test Value minus Margin of Error Percent)
State Upper Limit: 209,335,010 (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