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2007 Confidence Interval Detail
190/Rains
190-903/Rains ISD

Category Summary

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

Stratum
Variance
A 53,586,175 0.9073 59,061,143 28 1,105 .068457935
A 53,625,042 0.9951 53,889,099 15 604 .043659135
A 53,489,751 0.8838 60,522,461 14 385 .077709960
A 53,565,180 0.9583 55,896,045 13 212 .040448381
D3 140,489,335 0.9464 148,446,043 54 5,210 .043564068
F1 7,830,465 0.7639 10,250,641 7 105 .048942149
F1 7,780,656 0.8162 9,532,781 9 40 .054446104
F1 8,281,420 0.8305 9,971,607 6 18 .029857328
F1 7,021,904 0.9102 7,714,682 3 6 .005354044
G1 32,604,797 1.0599 30,762,145 5 12 .008971027
Random Totals: 418,274,725   446,046,647 154 7,697  
Catg D1 Exception Values: 11,942,725   8,560,587      
Catg G1 Exception Values: 14,741,491   13,221,960      
Total Test Values (4): 444,958,941   467,829,194      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 23,391,460

Confidence Interval Values (5)

State Lower Limit: 444,437,734 (State Test Value minus Margin of Error Percent)
Local Test Value: 444,958,941 (Within Confidence Interval)
State Upper Limit: 491,220,654 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 431,200,621 (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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