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2007 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 92,227,373 1.0162 90,757,108 43 1,210 .049537698
A 92,326,563 0.9753 94,664,783 30 750 .012571754
A 91,861,335 1.0041 91,486,241 55 509 .007477274
A 92,104,919 1.0108 91,120,814 20 326 .006170462
D3 227,610,480 1.0684 213,038,637 52 4,985 .112186586
F1 44,311,946 1.0792 41,059,994 7 182 .018088127
F1 44,531,733 0.9908 44,945,229 9 63 .003191705
F1 44,409,662 0.9632 46,106,377 8 32 .007361591
F1 43,795,942 0.9652 45,374,992 4 10 .001019541
G1 162,865,217 0.9547 170,593,084 7 442 .012044158
G1 162,903,738 1.1115 146,562,067 7 182 .013574534
G1 162,834,060 1.0260 158,707,661 7 101 .002627951
G1 161,633,222 0.9925 162,854,632 6 44 .001475163
Random Totals: 1,423,416,190   1,397,271,619 255 8,836  
Catg J Exception Values: 30,267,677   30,730,011      
Catg D1 Exception Values: 6,898,800   6,219,183      
Total Test Values (4): 1,460,582,667   1,434,220,813      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 71,711,041

Confidence Interval Values (5)

State Lower Limit: 1,362,509,772 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,460,582,667 (Within Confidence Interval)
State Upper Limit: 1,505,931,854 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,703,150,539 (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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