Texas Comptroller of Public Accounts

Texas Comptroller of Public Accounts, Glenn Hegar

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2008 Confidence Interval Detail
083/Gaines
083-903/Seminole ISD

Category Summary

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

Stratum
Variance
D3 131,473,106 0.6449 203,865,880 67 5,197 .308533057
G1 576,408,697 1.0172 566,662,109 7 117 .003441479
G1 613,147,286 1.0034 611,069,649 5 19 .000344376
G1 574,055,835 1.0021 572,852,844 3 5 .000022037
G1 541,256,178 1.0079 537,013,769 2 3 .000634142
Random Totals: 2,436,341,102   2,491,464,251 84 5,341  
Catg D1 Exception Values: 83,128,568   108,857,015      
Catg G1 Exception Values: 1,213,265,521   1,216,133,081      
Total Test Values (4): 3,732,735,191   3,816,454,347      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 190,822,717

Confidence Interval Values (5)

State Lower Limit: 3,625,631,630 (State Test Value minus Margin of Error Percent)
Local Test Value: 3,732,735,191 (Within Confidence Interval)
State Upper Limit: 4,007,277,064 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 5,177,167,023 (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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