Filing Deadline Extended
Quick Start for:

2010 Confidence Interval Detail
246/Williamson
246-905/Granger ISD

Category Summary

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

Stratum
Variance
A 9,538,302 0.8721 10,937,165 11 222 .034233327
A 12,941,537 0.9525 13,586,915 10 177 .026709996
A 10,864,037 0.9413 11,541,524 12 102 .025846659
A 11,470,515 1.0690 10,730,136 9 59 .013497127
D3 36,821,022 0.9690 37,998,991 24 1,601 .022043905
F1 1,930,527 1.0057 1,919,585 7 28 .001403117
F1 1,283,838 1.0036 1,279,233 6 10 .000582906
F1 2,238,834 1.0063 2,224,818 4 9 .000289969
F1 1,057,917 0.9883 1,070,441 2 2 .000454799
Random Totals: 88,146,529   91,288,808 85 2,210  
Catg J Exception Values: 6,404,871   6,415,065      
Catg D1 Exception Values: 17,033,888   14,550,939      
Total Test Values (4): 111,585,288   112,254,812      

Margin of Error

Margin of Error Percent: 5.0000004
Margin of Error Value: 5,612,741

Confidence Interval Values (5)

State Lower Limit: 106,642,071 (State Test Value minus Margin of Error Percent)
Local Test Value: 111,585,288 (Within Confidence Interval)
State Upper Limit: 117,867,553 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 103,972,564 (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