taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
050/Coryell
050-909/Jonesboro ISD

Category Summary

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

Stratum
Variance
A 1,918,610 0.8775 2,186,450 8 40 .157750717
A 1,980,610 0.9276 2,135,198 6 26 .032325899
A 2,357,180 0.8411 2,802,497 7 22 .003147847
A 1,964,290 0.9563 2,054,052 5 9 .017547729
E 29,029,782 0.8757 33,150,373 10 317 .119761785
Random Totals: 37,250,472   42,328,570 36 414  
Catg J Exception Values: 30,980   46,465      
Catg D1 Exception Values: 5,706,540   7,003,759      
Total Test Values (4): 42,987,992   49,378,794      

Margin of Error

Margin of Error Percent: 14.7725742
Margin of Error Value: 7,294,519

Confidence Interval Values (5)

State Lower Limit: 42,084,275 (State Test Value minus Margin of Error Percent)
Local Test Value: 42,987,992 (Within Confidence Interval)
State Upper Limit: 56,673,313 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 46,961,892 (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