Labor Day

Quick Start for:

2009 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 11,887,730 0.8418 14,121,799 8 285 .066937268
A 11,766,792 0.9786 12,024,108 7 142 .016953873
A 11,225,930 0.9876 11,366,879 8 95 .027348200
A 12,320,600 1.0203 12,075,468 6 61 .004260914
D3 177,243,227 1.0243 173,038,394 20 3,420 .026721678
G1 28,663,579 0.9451 30,328,620 9 35 .026297600
G1 29,635,322 0.9991 29,662,018 8 20 .009385323
G1 29,264,920 1.0630 27,530,499 7 14 .017483869
G1 26,610,140 1.1479 23,181,584 5 7 .028452465
Random Totals: 338,618,240   333,329,369 78 4,079  
Catg D1 Exception Values: 7,417,257   6,792,235      
Total Test Values (4): 346,035,497   340,121,604      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 17,006,080

Confidence Interval Values (5)

State Lower Limit: 323,115,524 (State Test Value minus Margin of Error Percent)
Local Test Value: 346,035,497 (Within Confidence Interval)
State Upper Limit: 357,127,684 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 367,909,805 (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