taxes Property Tax Assistance

2019 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 17,168,800 0.9290 18,480,947 14 368 0.036422289
A 19,364,470 1.0729 18,048,718 15 214 0.056837948
A 18,206,610 0.9913 18,366,398 15 127 0.014354063
A 23,201,570 0.9949 23,320,505 15 100 0.018287150
E 34,623,580 0.9768 35,445,925 19 385 0.080461249
Random Totals: 112,565,030 113,662,493 78 1,194
CATG D1 EXCEPTION VALUES: 13,469,010 12,940,709
CATG J EXCEPTION VALUES: 2,236,120 2,100,995
Total Test Values(2) 128,270,160 128,704,197

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,435,210

Confidence Interval Values(5)

Local Test Value: 128,270,160 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 122,268,987 (State Test Value minus Margin of Error Percent)
State Upper Limit: 135,139,407 (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