taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
050/Coryell
050-901/Evant ISD

Category Summary

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

Stratum
Variance
A 2,417,040 0.9444 2,559,339 8 60 .141870740
A 2,770,630 0.8404 3,296,799 7 47 .006658000
A 2,719,040 0.9628 2,824,096 9 34 .017913178
A 3,002,250 0.9385 3,198,988 7 23 .013050365
E 41,556,390 0.9499 43,748,173 10 493 .013920617
Random Totals: 52,465,350   55,627,395 41 657  
Catg J Exception Values: 870,210   631,488      
Catg D1 Exception Values: 7,214,635   7,835,633      
Total Test Values (4): 60,550,195   64,094,516      

Margin of Error

Margin of Error Percent: 5.2338113
Margin of Error Value: 3,354,586

Confidence Interval Values (5)

Local Test Value: 60,550,195 (Outside Confidence Interval)
State Lower Limit: 60,739,930 (State Test Value minus Margin of Error Percent)
State Upper Limit: 67,449,102 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 55,964,030 (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