Filing Deadline Extended
Quick Start for:

2011 Confidence Interval Detail
250/Wood
250-907/Winnsboro ISD

Category Summary

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

Stratum
Variance
A 33,803,781 1.0009 33,773,385 18 756 .057202838
A 34,057,835 0.9470 35,963,923 15 430 .043455974
A 34,573,360 0.9864 35,050,041 17 302 .009272208
A 34,464,965 1.0305 33,444,896 10 180 .015437375
D3 102,637,828 1.0576 97,047,871 21 3,754 .050901718
F1 9,513,081 0.8515 11,172,144 9 126 .043267590
F1 8,523,720 0.9530 8,944,092 8 42 .004876836
F1 9,637,500 0.9135 10,550,082 7 18 .008125473
F1 8,223,210 1.0309 7,976,729 4 5 .054331125
Random Totals: 275,435,280   273,923,163 109 5,613  
Catg D1 Exception Values: 10,373,896   7,852,414      
Total Test Values (4): 285,809,176   281,775,577      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 14,088,779

Confidence Interval Values (5)

State Lower Limit: 267,686,798 (State Test Value minus Margin of Error Percent)
Local Test Value: 285,809,176 (Within Confidence Interval)
State Upper Limit: 295,864,356 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 316,751,249 (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