taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 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 3,566,740 1.0098 3,532,125 9 87 .021194893
A 4,486,310 0.9706 4,622,203 8 60 .002710184
A 4,236,720 1.0410 4,069,856 10 39 .011494372
A 4,203,460 1.0412 4,037,130 8 26 .008966187
E 40,034,250 1.0067 39,767,806 16 536 .007536603
G1 2,749,980 0.6648 4,136,552 7 18 .278755393
G1 2,615,984 0.9461 2,765,018 5 10 .096742532
G1 2,854,044 1.5826 1,803,389 4 6 .140781589
Random Totals: 64,747,488   64,734,079 67 782  
Catg J Exception Values: 8,411,287   8,882,298      
Catg D1 Exception Values: 2,662,871   2,882,161      
Catg G1 Exception Values: 2,110,049   1,512,867      
Total Test Values (4): 77,931,695   78,011,405      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 3,900,570

Confidence Interval Values (5)

State Lower Limit: 74,110,835 (State Test Value minus Margin of Error Percent)
Local Test Value: 77,931,695 (Within Confidence Interval)
State Upper Limit: 81,911,975 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 79,255,016 (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