Holiday Hours
Quick Start for:

2012 Confidence Interval Detail
229/Tyler
229-904/Warren ISD

Category Summary

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

Stratum
Variance
A 27,646,604 0.9575 28,873,738 16 744 .018922627
A 27,911,353 0.8858 31,509,769 16 400 .030641491
A 28,514,182 0.9664 29,505,569 15 260 .006199949
A 28,368,563 0.9993 28,388,435 15 143 .004756132
D3 32,534,687 0.8858 36,729,157 20 2,347 .211082454
G1 25,479,996 1.0150 25,103,444 9 21 .006328278
G1 25,794,208 1.0101 25,536,291 5 7 .007344801
G1 28,475,239 1.0273 27,718,523 3 4 .001938733
Random Totals: 224,724,832   233,364,926 99 3,926  
Catg D1 Exception Values: 20,216,415   20,453,386      
Catg G1 Exception Values: 18,501,280   18,452,661      
Total Test Values (4): 263,442,527   272,270,973      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 13,613,549

Confidence Interval Values (5)

State Lower Limit: 258,657,424 (State Test Value minus Margin of Error Percent)
Local Test Value: 263,442,527 (Within Confidence Interval)
State Upper Limit: 285,884,522 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 260,551,204 (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