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2007 Confidence Interval Detail
085/Garza
085-902/Post ISD

Category Summary

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

Stratum
Variance
A 9,546,048 0.7053 13,534,734 9 515 .121412250
A 9,579,300 0.6945 13,793,089 8 263 .019246672
A 9,569,905 0.9021 10,608,475 8 159 .028308683
A 9,483,276 0.9333 10,161,016 7 66 .009519029
D3 18,895,890 0.8719 21,672,084 10 2,682 .054474293
G1 101,953,672 1.1723 86,968,926 7 142 .131099051
G1 111,845,428 1.0025 111,566,512 5 22 .000197933
G1 105,615,551 0.9501 111,162,563 3 6 .010921331
Random Totals: 376,489,070   379,467,399 57 3,855  
Catg D1 Exception Values: 19,874,740   30,332,892      
Catg G1 Exception Values: 84,432,573   83,056,196      
Total Test Values (4): 480,796,383   492,856,487      

Margin of Error

Margin of Error Percent: 5.2141917
Margin of Error Value: 25,698,482

Confidence Interval Values (5)

State Lower Limit: 467,158,005 (State Test Value minus Margin of Error Percent)
Local Test Value: 480,796,383 (Within Confidence Interval)
State Upper Limit: 518,554,969 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 632,426,270 (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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