taxes Property Tax Assistance

2020 Confidence Interval Detail

Clay County
039-903/Petrolia CISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 18,728,150 0.8029 23,325,632 14 368 0.140090441
A 18,916,140 0.8722 21,687,847 15 194 0.051187802
A 17,304,070 0.9695 17,848,448 15 112 0.027028848
A 22,943,600 1.1186 20,510,996 15 93 0.027515450
E 36,876,060 1.0092 36,539,893 20 390 0.074208577
Random Totals: 114,768,020 119,912,816 79 1,157
CATG D1 EXCEPTION VALUES: 13,640,589 12,806,018
CATG J EXCEPTION VALUES: 28,020,290 28,128,613
Total Test Values 156,428,899 160,847,447

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 8,042,372

Confidence Interval Values(5)

Local Test Value: 156,428,899 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 152,805,075 (State Test Value minus Margin of Error Percent)
State Upper Limit: 168,889,819 (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