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2009 Confidence Interval Detail
147/Limestone
147-901/Coolidge ISD

Category Summary

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

Stratum
Variance
A 2,650,180 0.9311 2,846,289 11 131 .007491384
A 2,592,730 0.9700 2,672,918 10 72 .006413854
A 2,481,250 0.9782 2,536,547 10 49 .003336978
A 2,981,560 0.9702 3,073,140 8 31 .002101825
D3 13,754,106 0.9710 14,164,888 27 1,293 .013275054
Random Totals: 24,459,826   25,293,782 66 1,576  
Catg J Exception Values: 2,876,706   2,902,097      
Catg D1 Exception Values: 4,564,041   5,484,478      
Total Test Values (4): 31,900,573   33,680,357      

Margin of Error

Margin of Error Percent: 5.0000004
Margin of Error Value: 1,684,018

Confidence Interval Values (5)

Local Test Value: 31,900,573 (Outside Confidence Interval)
State Lower Limit: 31,996,339 (State Test Value minus Margin of Error Percent)
State Upper Limit: 35,364,375 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 32,867,873 (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

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