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2007 Confidence Interval Detail
219/Swisher
219-903/Tulia ISD

Category Summary

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

Stratum
Variance
A 13,656,708 0.8777 15,559,654 20 655 .066842746
A 13,649,598 0.9654 14,138,800 15 341 .066213760
A 13,639,873 0.9352 14,584,980 16 210 .012501327
A 13,586,327 1.0079 13,479,836 15 133 .003059177
D3 17,619,024 1.0134 17,386,051 23 1,650 .026237591
F1 1,836,808 0.9133 2,011,177 7 108 .041229240
F1 1,832,620 0.6992 2,621,024 6 36 .131201323
F1 1,921,493 0.8346 2,302,292 5 14 .039085447
F1 1,671,206 0.9757 1,712,828 3 4 .032904067
L1 2,357,789 1.0517 2,241,884 7 95 .025429795
L1 2,332,749 1.0213 2,284,098 6 21 .001331033
L1 2,790,319 1.0447 2,670,928 4 8 .004951452
Random Totals: 86,894,514   90,993,552 127 3,275  
Catg J Exception Values: 6,880,298   7,237,094      
Catg D1 Exception Values: 23,724,438   27,580,250      
Catg L1 Exception Values: 1,754,250   1,785,256      
Total Test Values (4): 119,253,500   127,596,152      

Margin of Error

Margin of Error Percent: 5.0000003
Margin of Error Value: 6,379,808

Confidence Interval Values (5)

Local Test Value: 119,253,500 (Outside Confidence Interval)
State Lower Limit: 121,216,344 (State Test Value minus Margin of Error Percent)
State Upper Limit: 133,975,960 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 132,171,157 (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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