taxes Property Tax Assistance

2018 Confidence Interval Detail

109/Hill
109-903/Covington ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 4,874,690 0.8877 5,491,371 8 89 0.066661395
A 5,213,940 1.1131 4,684,161 7 56 0.059136275
A 4,190,170 0.9912 4,227,371 7 31 0.005217902
A 5,165,400 1.0187 5,070,580 7 26 0.005699404
E 55,858,140 0.9408 59,373,023 19 552 0.038478486
G1 2,007,171 1.0205 1,966,851 7 19 0.003916632
G1 2,013,050 1.0343 1,946,292 5 9 0.010185438
G1 1,949,712 1.0006 1,948,543 3 5 0.005020977
G1 1,600,220 1.0084 1,586,890 2 3 0.000702449
Random Totals: 82,872,493 86,295,082 65 790
CATG D1 EXCEPTION VALUES: 2,961,510 2,726,462
CATG J EXCEPTION VALUES: 6,621,391 3,412,644
Total Test Values(2) 92,455,394 92,434,188

Margin of Error

Margin of Error Percent: 5.8528605
Margin of Error Value: 5,410,044

Confidence Interval Values(5)

Local Test Value: 92,455,394 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 87,024,144 (State Test Value minus Margin of Error Percent)
State Upper Limit: 97,844,232 (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