taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
072/Erath
018-906/Iredell ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
E 6,165,060 0.9473 6,508,033 8 52 .022985964
Random Totals: 6,165,060   6,508,033 8 52  
Catg J Exception Values: 349,470   264,045      
Catg D1 Exception Values: 1,359,500   1,038,764      
Catg F1 Exception Values: 8,674,240   9,072,433      
Total Test Values (4): 16,548,270   16,883,275      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 844,163

Confidence Interval Values (5)

State Lower Limit: 16,039,112 (State Test Value minus Margin of Error Percent)
Local Test Value: 16,548,270 (Within Confidence Interval)
State Upper Limit: 17,727,438 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 18,471,695 (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