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2011 Confidence Interval Detail
172/Morris
172-902/Daingerfield-Lone Star ISD

Category Summary

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

Stratum
Variance
A 32,401,610 0.8433 38,422,400 10 952 .034755885
A 33,072,080 0.9626 34,357,033 11 509 .049710313
A 32,012,430 0.9120 35,101,349 10 331 .009426318
A 33,932,910 0.9797 34,636,021 11 220 .016666618
D3 92,173,160 0.8128 113,402,018 15 3,155 .050538548
F1 6,944,110 0.9407 7,381,854 9 109 .016353863
F1 7,229,300 0.8997 8,035,234 8 45 .032891303
F1 7,594,700 1.0137 7,492,059 6 19 .006418364
F1 6,980,820 0.9751 7,159,081 4 7 .013086953
Random Totals: 252,341,120   285,987,049 84 5,347  
Catg J Exception Values: 454,842   451,693      
Catg D1 Exception Values: 5,731,900   5,386,736      
Total Test Values (4): 258,527,862   291,825,478      

Margin of Error

Margin of Error Percent: 5.1346202
Margin of Error Value: 14,984,130

Confidence Interval Values (5)

Local Test Value: 258,527,862 (Outside Confidence Interval)
State Lower Limit: 276,841,348 (State Test Value minus Margin of Error Percent)
State Upper Limit: 306,809,608 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 433,362,499 (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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