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2009 Confidence Interval Detail
249/Wise
249-905/Decatur ISD

Category Summary

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

Stratum
Variance
A 102,005,110 0.8851 115,246,989 14 1,307 .027226749
A 105,302,450 0.9346 112,671,143 14 839 .039923064
A 104,342,060 0.9523 109,568,476 15 576 .004997002
A 112,783,550 0.9766 115,485,921 11 384 .007979656
D3 243,773,030 0.9468 257,470,458 26 4,977 .051432293
F1 55,009,920 0.9245 59,502,347 7 216 .016107323
F1 42,764,880 1.0215 41,864,787 6 62 .018632925
F1 56,258,881 0.9453 59,514,314 6 40 .010102080
F1 74,652,210 0.9943 75,080,167 8 19 .010157748
G1 211,470,944 0.9584 220,649,983 10 485 .006216013
G1 212,370,772 1.0113 209,997,797 8 175 .006342242
G1 211,818,128 0.9789 216,383,827 6 86 .003725070
G1 210,214,322 1.0035 209,481,138 6 42 .005640134
Random Totals: 1,742,766,257   1,802,917,347 137 9,208  
Catg J Exception Values: 29,157,060   28,706,088      
Catg D1 Exception Values: 6,853,270   6,658,706      
Total Test Values (4): 1,778,776,587   1,838,282,141      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 91,914,107

Confidence Interval Values (5)

State Lower Limit: 1,746,368,034 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,778,776,587 (Within Confidence Interval)
State Upper Limit: 1,930,196,248 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,187,954,383 (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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