Labor Day

Quick Start for:

2009 Confidence Interval Detail
022/Brewster
022-901/Alpine ISD

Category Summary

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

Stratum
Variance
A 53,683,409 0.9347 57,433,839 6 889 .093954727
A 61,540,165 0.8222 74,848,170 6 613 .128749558
A 61,492,806 1.0864 56,602,362 7 415 .001884898
A 60,490,699 0.9393 64,399,765 7 257 .009484503
D3 37,169,926 1.1754 31,623,214 12 6,728 .396025881
F1 12,868,278 0.9690 13,279,957 8 133 .000263538
F1 13,807,871 0.9861 14,002,506 6 50 .000110196
F1 12,733,770 0.9720 13,100,586 7 14 .000383165
F1 13,205,359 0.9827 13,437,834 2 4 .000119440
L1 5,060,296 0.9546 5,300,960 13 136 .037163208
L1 5,213,002 1.0096 5,163,433 9 25 .007759561
L1 5,515,438 1.0324 5,342,346 5 10 .001775677
L1 4,612,213 1.2317 3,744,591 2 2 .036042697
Random Totals: 347,393,232   358,279,563 90 9,276  
Catg J Exception Values: 19,092,336   18,616,430      
Catg D1 Exception Values: 17,643,700   22,499,687      
Total Test Values (4): 384,129,268   399,395,680      

Margin of Error

Margin of Error Percent: 7.2156196
Margin of Error Value: 28,818,873

Confidence Interval Values (5)

State Lower Limit: 370,576,807 (State Test Value minus Margin of Error Percent)
Local Test Value: 384,129,268 (Within Confidence Interval)
State Upper Limit: 428,214,553 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 367,139,046 (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