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2008 Confidence Interval Detail
161/McLennan
161-921/Connally ISD

Category Summary

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

Stratum
Variance
A 56,044,788 0.9496 59,019,364 10 1,064 .026643774
A 62,894,904 1.0046 62,606,912 23 750 .011656574
A 66,381,107 1.0029 66,189,158 37 575 .010512146
A 86,645,880 1.1162 77,625,766 25 458 .006745465
B 7,592,562 1.0027 7,572,117 7 78 .003006292
B 6,914,297 1.0177 6,794,042 5 16 .001198414
B 7,781,616 0.9596 8,109,229 2 4 .000010237
D3 37,720,824 1.0059 37,499,576 13 1,011 .016047070
F1 5,972,981 0.9753 6,124,250 6 81 .004422481
F1 4,505,069 0.9893 4,553,795 6 25 .001354114
F1 6,892,777 0.9832 7,010,554 5 22 .000416861
F1 8,818,693 1.0091 8,739,167 3 11 .000809137
L1 8,111,855 1.0821 7,496,401 8 211 .022817338
L1 5,568,668 1.0539 5,283,868 6 34 .018657212
L1 8,588,738 1.0413 8,248,092 5 19 .004511000
Random Totals: 380,434,759   372,872,291 161 4,359  
Catg D1 Exception Values: 1,212,321   990,976      
Catg B Exception Values: 3,996,367   3,975,000      
Catg L1 Exception Values: 13,007,631   13,128,627      
Total Test Values (4): 398,651,078   390,966,894      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 19,548,345

Confidence Interval Values (5)

State Lower Limit: 371,418,549 (State Test Value minus Margin of Error Percent)
Local Test Value: 398,651,078 (Within Confidence Interval)
State Upper Limit: 410,515,239 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 509,653,208 (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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