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2010 Confidence Interval Detail
038/Childress
038-901/Childress ISD

Category Summary

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

Stratum
Variance
A 23,099,350 0.9616 24,021,787 15 795 .053910492
A 21,828,820 0.9742 22,406,918 18 421 .014801788
A 21,435,250 0.9780 21,917,434 15 279 .019115619
A 19,311,530 0.9749 19,808,729 15 140 .001304082
D3 24,678,420 0.9807 25,164,087 20 2,283 .002380133
F1 8,441,340 0.9708 8,695,241 11 115 .005285662
F1 8,038,600 1.0020 8,022,555 7 22 .000800213
F1 16,425,650 0.9580 17,145,772 6 10 .008706235
L1 3,933,880 0.9273 4,242,295 9 114 .035175542
L1 4,398,590 0.9820 4,479,216 8 35 .005058286
L1 4,078,040 0.9890 4,123,397 5 13 .000703681
L1 2,172,920 0.9793 2,218,850 2 2 .001696646
Random Totals: 157,842,390   162,246,281 131 4,229  
Catg J Exception Values: 23,377,930   23,536,076      
Catg D1 Exception Values: 22,482,240   28,455,397      
Catg L1 Exception Values: 4,425,520   4,611,915      
Total Test Values (4): 208,128,080   218,849,669      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 10,942,483

Confidence Interval Values (5)

State Lower Limit: 207,907,186 (State Test Value minus Margin of Error Percent)
Local Test Value: 208,128,080 (Within Confidence Interval)
State Upper Limit: 229,792,152 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 199,977,613 (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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