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2009 Confidence Interval Detail
056/Dallam
056-901/Dalhart CISD

Category Summary

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

Stratum
Variance
A 14,551,885 1.0023 14,518,492 20 560 .043678573
A 16,087,990 0.9728 16,537,819 23 350 .036278671
A 16,019,790 1.0319 15,524,557 16 255 .016859178
A 22,843,060 0.9732 23,472,113 28 244 .025815924
D3 14,920,190 0.9873 15,112,114 13 1,154 .036453397
F1 6,035,870 0.9163 6,587,220 10 141 .021476679
F1 6,093,880 0.9205 6,620,185 8 54 .059631055
F1 5,267,670 0.9021 5,839,342 7 21 .002593690
F1 6,231,380 0.9771 6,377,423 5 12 .001191089
L1 6,724,860 0.9963 6,749,834 8 94 .034046198
L1 5,753,070 0.9064 6,347,165 5 20 .009372502
L1 6,441,890 1.0108 6,373,061 5 10 .000775912
L1 2,983,000 0.9125 3,269,041 2 2 .008781192
Random Totals: 129,954,535   133,328,366 150 2,917  
Catg J Exception Values: 18,628,740   18,275,402      
Catg D1 Exception Values: 32,580,396   40,238,547      
Total Test Values (4): 181,163,671   191,842,315      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 9,592,116

Confidence Interval Values (5)

Local Test Value: 181,163,671 (Outside Confidence Interval)
State Lower Limit: 182,250,199 (State Test Value minus Margin of Error Percent)
State Upper Limit: 201,434,431 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 192,042,290 (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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