taxes Property Tax Assistance

2016 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 4,442,180 0.8592 5,170,135 7 97 .013847799
A 4,278,900 0.9136 4,683,560 8 53 .007860604
A 4,657,490 1.0225 4,555,002 8 40 .003524316
A 4,620,290 0.9813 4,708,336 7 27 .002626492
E 44,546,180 0.9856 45,197,017 11 536 .012715003
G1 1,369,051 0.9021 1,517,627 9 21 .052702634
G1 1,257,895 1.0049 1,251,761 5 8 .044501808
G1 1,394,717 1.0337 1,349,247 4 6 .136465703
Random Totals: 66,566,703   68,432,685 59 788  
Catg J Exception Values: 7,501,342   8,703,518      
Catg D1 Exception Values: 2,797,860   3,343,949      
Catg G1 Exception Values: 1,033,296   1,004,172      
Total Test Values (4): 77,899,201   81,484,324      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 4,074,216

Confidence Interval Values (5)

State Lower Limit: 77,410,108 (State Test Value minus Margin of Error Percent)
Local Test Value: 77,899,201 (Within Confidence Interval)
State Upper Limit: 85,558,540 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 76,739,983 (See ISD Summary Worksheet)

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, D3, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories