Quick Start for:

2006 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 36,886,250 1.0188 36,205,585 19 833 .029318355
A 36,830,972 0.9874 37,300,964 18 482 .053020108
A 36,901,146 1.0761 34,291,558 15 344 .030343127
A 36,799,095 0.9572 38,444,520 12 201 .006103835
D3 112,528,430 0.9708 115,913,092 47 4,880 .065735503
F1 8,232,780 0.8021 10,264,032 8 146 .092479374
F1 8,173,976 0.7746 10,552,512 8 52 .125175358
F1 8,165,809 0.7907 10,327,316 6 23 .039746375
F1 8,163,053 0.7869 10,373,685 6 9 .046214583
G1 6,182,159 1.0944 5,648,903 4 11 .024100419
G1 5,020,980 1.0269 4,889,454 3 4 .006341251
G1 6,763,620 1.0797 6,264,351 2 3 .007419995
Random Totals: 310,648,270   320,475,972 148 6,988  
Catg D1 Exception Values: 15,494,806   9,192,304      
Catg G1 Exception Values: 20,582,170   22,120,439      
Total Test Values (4): 346,725,246   351,788,715      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 17,589,436

Confidence Interval Values (5)

State Lower Limit: 334,199,279 (State Test Value minus Margin of Error Percent)
Local Test Value: 346,725,246 (Within Confidence Interval)
State Upper Limit: 369,378,151 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 358,431,137 (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