Quick Start for:

2008 Confidence Interval Detail
239/Washington
239-903/Burton ISD

Category Summary

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

Stratum
Variance
A 9,629,050 0.8073 11,927,474 12 263 .070522804
A 9,650,970 0.9885 9,763,247 10 131 .037285483
A 11,774,150 1.0529 11,182,591 9 111 .026654762
A 14,466,200 1.1918 12,138,110 9 79 .044370127
D3 165,839,615 1.0259 161,652,807 20 3,392 .028397689
G1 37,834,050 0.9909 38,181,502 7 35 .000625341
G1 38,320,185 0.9794 39,126,184 7 20 .002712457
G1 36,281,360 0.8861 40,944,995 6 13 .074337172
G1 35,302,610 1.0015 35,249,735 4 7 .000012538
Random Totals: 359,098,190   360,166,645 84 4,051  
Catg D1 Exception Values: 7,433,528   7,075,218      
Total Test Values (4): 366,531,718   367,241,863      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 18,362,093

Confidence Interval Values (5)

State Lower Limit: 348,879,770 (State Test Value minus Margin of Error Percent)
Local Test Value: 366,531,718 (Within Confidence Interval)
State Upper Limit: 385,603,956 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 386,798,576 (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