Holiday Hours
Quick Start for:

2007 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 6,371,476 0.9460 6,735,175 7 141 .005156182
A 6,375,607 0.9969 6,395,433 6 86 .007666188
A 6,397,711 0.9934 6,440,216 6 60 .002572847
A 6,226,538 0.9876 6,304,716 6 33 .003348563
D3 17,943,040 0.9523 18,841,794 19 1,216 .020898366
Random Totals: 43,314,372   44,717,334 44 1,536  
Catg J Exception Values: 3,221,810   3,310,669      
Catg D1 Exception Values: 8,979,880   8,439,554      
Total Test Values (4): 55,516,062   56,467,557      

Margin of Error

Margin of Error Percent: 5.0000003
Margin of Error Value: 2,823,378

Confidence Interval Values (5)

State Lower Limit: 53,644,179 (State Test Value minus Margin of Error Percent)
Local Test Value: 55,516,062 (Within Confidence Interval)
State Upper Limit: 59,290,935 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 49,769,411 (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

Required Plug-ins