taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
070/Ellis
070-907/Italy ISD

Category Summary

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

Stratum
Variance
A 12,978,925 0.9431 13,761,982 15 259 .016542846
A 12,681,990 0.9616 13,188,426 16 174 .010630133
A 13,077,540 1.0040 13,025,438 15 137 .026299382
A 12,941,725 0.9724 13,309,055 15 75 .004089516
E 24,144,035 0.9978 24,197,269 14 277 .009851238
F1 3,151,370 1.0408 3,027,834 8 32 .078200161
F1 4,140,870 0.8598 4,816,085 4 8 .026110265
Random Totals: 83,116,455   85,326,089 87 962  
Catg D1 Exception Values: 6,787,550   4,696,739      
Catg F1 Exception Values: 5,273,040   6,155,939      
Total Test Values (4): 95,177,045   96,178,767      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 4,808,938

Confidence Interval Values (5)

State Lower Limit: 91,369,829 (State Test Value minus Margin of Error Percent)
Local Test Value: 95,177,045 (Within Confidence Interval)
State Upper Limit: 100,987,705 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 98,257,036 (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