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2007 Confidence Interval Detail
166/Milam
166-901/Cameron ISD

Category Summary

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

Stratum
Variance
A 23,871,558 1.2052 19,807,134 14 826 .061827540
A 23,911,207 0.9500 25,169,692 10 441 .047566665
A 23,833,788 0.9633 24,741,813 9 287 .018917958
A 23,856,306 1.0209 23,367,917 11 168 .014310640
D3 70,982,795 1.0139 70,009,661 24 4,292 .065971273
F1 8,160,878 0.8351 9,772,336 9 157 .382145378
F1 8,122,278 1.0757 7,550,691 6 48 .049019928
F1 8,383,411 1.0388 8,070,284 5 19 .006347258
F1 7,787,866 0.9339 8,339,079 2 3 .004599164
L1 3,489,676 1.2213 2,857,345 7 172 .079744827
L1 3,440,811 1.2911 2,665,023 6 37 .061556606
L1 3,545,388 1.0298 3,442,793 5 14 .020265378
L1 3,379,369 1.0310 3,277,758 3 5 .002981705
Random Totals: 212,765,331   209,071,526 111 6,469  
Catg J Exception Values: 18,276,843   18,537,382      
Catg D1 Exception Values: 23,325,630   21,975,817      
Total Test Values (4): 254,367,804   249,584,725      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 12,479,236

Confidence Interval Values (5)

State Lower Limit: 237,105,489 (State Test Value minus Margin of Error Percent)
Local Test Value: 254,367,804 (Within Confidence Interval)
State Upper Limit: 262,063,961 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 257,812,747 (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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