Filing Deadline Extended
Quick Start for:

2006 Confidence Interval Detail
246/Williamson
246-907/Jarrell ISD

Category Summary

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

Stratum
Variance
A 99,262,164 0.9802 101,267,256 79 687 .005632619
A 98,186,821 0.9896 99,218,695 53 486 .004281305
A 98,655,391 0.9873 99,924,431 89 383 .004938200
A 98,486,621 0.9634 102,228,172 41 269 .006145380
D3 65,266,288 0.9850 66,260,191 22 1,679 .013735559
Random Totals: 459,857,285   468,898,745 284 3,504  
Catg D1 Exception Values: 4,728,367   4,625,578      
Total Test Values (4): 464,585,652   473,524,323      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 23,676,216

Confidence Interval Values (5)

State Lower Limit: 449,848,107 (State Test Value minus Margin of Error Percent)
Local Test Value: 464,585,652 (Within Confidence Interval)
State Upper Limit: 497,200,539 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 456,726,589 (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