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2010 Confidence Interval Detail
091/Grayson
091-903/Denison ISD

Category Summary

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

Stratum
Variance
A 188,679,379 1.0237 184,311,203 49 3,961 .005598202
A 188,942,307 1.0231 184,676,285 33 2,190 .002275227
A 190,594,682 1.0046 189,721,961 33 1,452 .002273855
A 193,864,331 0.9977 194,311,247 17 731 .001510079
D3 88,178,984 1.0551 83,574,054 16 2,166 .014753288
F1 67,189,393 0.9941 67,588,163 11 478 .062549248
F1 67,348,764 0.8297 81,172,429 10 82 .124507719
F1 60,000,691 0.9431 63,620,709 6 16 .020832775
L1 21,812,138 1.1760 18,547,736 10 467 .074366787
L1 22,494,351 1.0317 21,803,190 9 87 .015408140
L1 27,247,101 1.0795 25,240,483 7 28 .010224972
L1 60,150,329 1.0684 56,299,447 2 4 .000808162
Random Totals: 1,176,502,450   1,170,866,907 203 11,662  
Catg J Exception Values: 37,707,943   39,927,628      
Catg D1 Exception Values: 3,241,919   2,261,837      
Catg F1 Exception Values: 122,069,114   117,832,920      
Total Test Values (4): 1,339,521,426   1,330,889,292      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 66,544,465

Confidence Interval Values (5)

State Lower Limit: 1,264,344,827 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,339,521,426 (Within Confidence Interval)
State Upper Limit: 1,397,433,757 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,350,318,365 (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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