Labor Day

Quick Start for:

2008 Confidence Interval Detail
091/Grayson
091-918/Tom Bean ISD

Category Summary

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

Stratum
Variance
A 22,903,179 0.7997 28,639,714 7 390 .035446476
A 23,448,851 0.8907 26,326,318 8 247 .052272599
A 23,535,924 0.9960 23,630,446 7 178 .003840628
A 24,154,119 0.9700 24,901,154 7 122 .011838672
D3 43,264,525 1.0385 41,660,592 20 1,489 .023036315
Random Totals: 137,306,598   145,158,224 49 2,426  
Catg D1 Exception Values: 4,030,552   2,986,462      
Total Test Values (4): 141,337,150   148,144,686      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,407,234

Confidence Interval Values (5)

State Lower Limit: 140,737,452 (State Test Value minus Margin of Error Percent)
Local Test Value: 141,337,150 (Within Confidence Interval)
State Upper Limit: 155,551,920 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 136,969,154 (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